Koumla, Sylvain; Precup, Radu Integrodifferential evolution systems with nonlocal initial conditions. (English) Zbl 1513.34280 Stud. Univ. Babeș-Bolyai, Math. 65, No. 1, 93-108 (2020). MSC: 34K30 47N20 45J99 34K05 PDFBibTeX XMLCite \textit{S. Koumla} and \textit{R. Precup}, Stud. Univ. Babeș-Bolyai, Math. 65, No. 1, 93--108 (2020; Zbl 1513.34280) Full Text: DOI
Parajdi, Lorand Gabriel; Precup, Radu Analysis of a planar differential system arising from hematology. (English) Zbl 1438.34160 Stud. Univ. Babeș-Bolyai, Math. 63, No. 2, 235-244 (2018). MSC: 34C60 34D23 92C50 34D05 PDFBibTeX XMLCite \textit{L. G. Parajdi} and \textit{R. Precup}, Stud. Univ. Babeș-Bolyai, Math. 63, No. 2, 235--244 (2018; Zbl 1438.34160) Full Text: DOI
Precup, Radu Abstract method of upper and lower solutions and application to singular boundary value problems. (English) Zbl 1399.47176 Stud. Univ. Babeș-Bolyai, Math. 61, No. 4, 443-451 (2016). Reviewer: Gheorghe Moroşanu (Budapest) MSC: 47J25 47H07 34B16 34B18 PDFBibTeX XMLCite \textit{R. Precup}, Stud. Univ. Babeș-Bolyai, Math. 61, No. 4, 443--451 (2016; Zbl 1399.47176)
Precup, Radu On a bounded critical point theorem of Schechter. (English) Zbl 1299.47143 Stud. Univ. Babeș-Bolyai, Math. 58, No. 1, 87-95 (2013). MSC: 47J30 58E05 34B15 PDFBibTeX XMLCite \textit{R. Precup}, Stud. Univ. Babeș-Bolyai, Math. 58, No. 1, 87--95 (2013; Zbl 1299.47143)
Nica, Octavia; Precup, Radu On the nonlocal initial value problem for first order differential systems. (English) Zbl 1274.34041 Stud. Univ. Babeș-Bolyai, Math. 56, No. 3, 113-125 (2011). MSC: 34B10 47N20 34A12 PDFBibTeX XMLCite \textit{O. Nica} and \textit{R. Precup}, Stud. Univ. Babeș-Bolyai, Math. 56, No. 3, 113--125 (2011; Zbl 1274.34041)
Moussaoui, Toufik; Precup, Radu Radial solutions for some classes of elliptic boundary value problems. (English) Zbl 1199.47219 Stud. Univ. Babeș-Bolyai, Math. 53, No. 1, 35-42 (2008). MSC: 47H10 35J65 PDFBibTeX XMLCite \textit{T. Moussaoui} and \textit{R. Precup}, Stud. Univ. Babeș-Bolyai, Math. 53, No. 1, 35--42 (2008; Zbl 1199.47219)
Precup, Radu Professor Gheorghe Micula at his 60th anniversary. (English) Zbl 1064.01540 Stud. Univ. Babeș-Bolyai, Math. 48, No. 3, 3-10 (2003). MSC: 01A70 PDFBibTeX XMLCite \textit{R. Precup}, Stud. Univ. Babeș-Bolyai, Math. 48, No. 3, 3--10 (2003; Zbl 1064.01540)
Precup, Radu Analysis of some neutral delay differential equations. (English) Zbl 1027.34073 Stud. Univ. Babeș-Bolyai, Math. 44, No. 3, 67-84 (1999). MSC: 34K10 34A45 PDFBibTeX XMLCite \textit{R. Precup}, Stud. Univ. Babeș-Bolyai, Math. 44, No. 3, 67--84 (1999; Zbl 1027.34073)
Precup, Radu Continuation theorems for mappings of Caristi type. (English) Zbl 1147.47307 Stud. Univ. Babeș-Bolyai, Math. 41, No. 4, 101-106 (1996). MSC: 47H10 54H25 PDFBibTeX XMLCite \textit{R. Precup}, Stud. Univ. Babeș-Bolyai, Math. 41, No. 4, 101--106 (1996; Zbl 1147.47307)
Precup, Radu On the continuation principle for nonexpansive maps. (English) Zbl 1075.47510 Stud. Univ. Babeș-Bolyai, Math. 41, No. 3, 85-89 (1996). MSC: 47H09 47H10 34G20 PDFBibTeX XMLCite \textit{R. Precup}, Stud. Univ. Babeș-Bolyai, Math. 41, No. 3, 85--89 (1996; Zbl 1075.47510)
Precup, Radu Monotone technique to the initial values problem for a delay integral equation from biomathematics. (English) Zbl 0865.47051 Stud. Univ. Babeș-Bolyai, Math. 40, No. 2, 63-73 (1995). Reviewer: M.Lizana (Merida) MSC: 47J25 34K99 PDFBibTeX XMLCite \textit{R. Precup}, Stud. Univ. Babeș-Bolyai, Math. 40, No. 2, 63--73 (1995; Zbl 0865.47051)
Precup, Radu Periodic solutions for an integral equation from biomathematics via Leray-Schauder principle. (English) Zbl 0861.47043 Stud. Univ. Babeș-Bolyai, Math. 39, No. 1, 47-58 (1994). Reviewer: J.Appell (Würzburg) MSC: 47J05 47G10 47N60 34K99 45M15 PDFBibTeX XMLCite \textit{R. Precup}, Stud. Univ. Babeș-Bolyai, Math. 39, No. 1, 47--58 (1994; Zbl 0861.47043)
Precup, Radu On the reverse of the Krasnoselskij-Browder boundary inequality. (English) Zbl 0828.47055 Stud. Univ. Babeș-Bolyai, Math. 38, No. 2, 41-55 (1993). Reviewer: J.Appell (Würzburg) MSC: 47J25 PDFBibTeX XMLCite \textit{R. Precup}, Stud. Univ. Babeș-Bolyai, Math. 38, No. 2, 41--55 (1993; Zbl 0828.47055)
Precup, Radu Note on an abstract continuation theorem. (English) Zbl 0878.47042 Stud. Univ. Babeș-Bolyai, Math. 37, No. 2, 85-90 (1992). MSC: 47H10 47H11 54H25 PDFBibTeX XMLCite \textit{R. Precup}, Stud. Univ. Babeș-Bolyai, Math. 37, No. 2, 85--90 (1992; Zbl 0878.47042)
Precup, Radu Generalized topological transversality and mappings of monotone type. (English) Zbl 0815.47066 Stud. Univ. Babeș-Bolyai, Math. 35, No. 2, 44-50 (1990). Reviewer: P.Zabreiko (Minsk) MSC: 47H05 54H25 PDFBibTeX XMLCite \textit{R. Precup}, Stud. Univ. Babeș-Bolyai, Math. 35, No. 2, 44--50 (1990; Zbl 0815.47066)
Precup, Radu Measure of noncompactness and second order differential equations with deviating argument. (English) Zbl 0885.34056 Stud. Univ. Babeș-Bolyai, Math. 34, No. 2, 25-35 (1989). Reviewer: W.Šeda (Bratislava) MSC: 34K10 34K30 34B15 34G20 PDFBibTeX XMLCite \textit{R. Precup}, Stud. Univ. Babeș-Bolyai, Math. 34, No. 2, 25--35 (1989; Zbl 0885.34056)