Frank, L. S.; Wendt, W. D. On an elliptic operator with discontinuous nonlinearity. (English) Zbl 0496.35038 J. Differ. Equations 54, 1-18 (1984). MSC: 35J60 35A15 35B30 35R35 35B40 PDFBibTeX XMLCite \textit{L. S. Frank} and \textit{W. D. Wendt}, J. Differ. Equations 54, 1--18 (1984; Zbl 0496.35038) Full Text: DOI
Alexander, Roger K.; Fleishman, Bernard A. Perturbation and bifurcation in a free boundary problem. (English) Zbl 0519.35078 J. Differ. Equations 45, 34-52 (1982). MSC: 35R35 35B20 35B32 PDFBibTeX XMLCite \textit{R. K. Alexander} and \textit{B. A. Fleishman}, J. Differ. Equations 45, 34--52 (1982; Zbl 0519.35078) Full Text: DOI
Keady, G. An elliptic boundary-value problem with a discontinuous nonlinearity. (English) Zbl 0511.35032 Proc. R. Soc. Edinb., Sect. A 91, 161-174 (1981). MSC: 35J65 35J25 35B99 76B47 49J40 PDFBibTeX XMLCite \textit{G. Keady}, Proc. R. Soc. Edinb., Sect. A, Math. 91, 161--174 (1981; Zbl 0511.35032) Full Text: DOI
Suquet, Pierre-M. Evolution problems for a class of dissipative materials. (English) Zbl 0501.73030 Q. Appl. Math. 38, 391-414 (1981). MSC: 74C99 47H05 PDFBibTeX XMLCite \textit{P.-M. Suquet}, Q. Appl. Math. 38, 391--414 (1981; Zbl 0501.73030) Full Text: DOI
Frank, L. S.; van Groesen, E. W. Singular perturbations of an elliptic operator with discontinuous nonlinearity. (English) Zbl 0469.35054 Analytical and numerical approaches to asymptotic problems in analysis, Proc. Conf., Nijmegen 1980, North-Holland Math. Stud. 47, 289-303 (1981). MSC: 35J65 35B25 65N30 65N25 PDFBibTeX XML
Aizicovici, Sergiu An integrodifferential equation with a discontinuous nonlinearity. (English) Zbl 0464.45008 An. Stiint. Univ. Al. I. Cuza Iasi, N. Ser., Sect. Ia 26, 353-360 (1980). MSC: 45K05 PDFBibTeX XML
Krasnosel’skij, M. A.; Pokrovskij, A. V. Equations with discontinuous nonlinearities. (English. Russian original) Zbl 0468.45004 Sov. Math., Dokl. 20, 1117-1120 (1979); translation from Dokl. Akad. Nauk SSSR 248, 1056-1059 (1979). MSC: 45G10 45P05 93C30 47J05 PDFBibTeX XMLCite \textit{M. A. Krasnosel'skij} and \textit{A. V. Pokrovskij}, Sov. Math., Dokl. 20, 1117--1120 (1979; Zbl 0468.45004); translation from Dokl. Akad. Nauk SSSR 248, 1056--1059 (1979)
Koryakin, Yu. A.; Leonov, G. A.; Liss, A. R. A frequency criterion for the stability of discrete systems for controlling a generator oscillation phase. (English. Russian original) Zbl 0418.93044 Autom. Remote Control 39, 1787-1792 (1979); translation from Avtom. Telemekh. 1978, No. 12, 64-69 (1978). MSC: 93C55 93D05 93C10 PDFBibTeX XMLCite \textit{Yu. A. Koryakin} et al., Autom. Remote Control 39, 1787--1792 (1978; Zbl 0418.93044); translation from Avtom. Telemekh. 1978, No. 12, 64--69 (1978)