Joó, I.; Várlaki, P. Stabilization of Dirac expansions by Riesz and other means. (English) Zbl 0880.35085 Ann. Univ. Sci. Budap. Rolando Eötvös, Sect. Math. 39, 113-123 (1996). Reviewer: I.Quandt (Berlin) MSC: 35P10 40A30 PDFBibTeX XMLCite \textit{I. Joó} and \textit{P. Várlaki}, Ann. Univ. Sci. Budap. Rolando Eötvös, Sect. Math. 39, 113--123 (1996; Zbl 0880.35085)
Baron, S.; Joó, I. Remarks on our article on Lebesgue functions. (English) Zbl 0944.40003 Ann. Univ. Sci. Budap. Rolando Eőtvős, Sect. Math. 38, 269 (1995). MSC: 40C05 40B05 42C15 40A30 PDFBibTeX XMLCite \textit{S. Baron} and \textit{I. Joó}, Ann. Univ. Sci. Budap. Rolando Eötvös, Sect. Math. 38, 269 (1995; Zbl 0944.40003)
Baron, S.; Joó, I. On the influence of Lebesgue functions on the summability of double function series. (English) Zbl 0944.40002 Ann. Univ. Sci. Budap. Rolando Eőtvős, Sect. Math. 38, 223-235 (1995). MSC: 40B05 40A05 42C15 PDFBibTeX XMLCite \textit{S. Baron} and \textit{I. Joó}, Ann. Univ. Sci. Budap. Rolando Eötvös, Sect. Math. 38, 223--235 (1995; Zbl 0944.40002)
Baron, S.; Joó, I. Lebesgue functions for convergence and summability of double function series. (English) Zbl 0848.40002 Ann. Univ. Sci. Budap. Rolando Eötvös, Sect. Math. 37, 73-84 (1994). Reviewer: K.Tandori (Szeged) MSC: 40C05 42C15 40B05 40A30 PDFBibTeX XMLCite \textit{S. Baron} and \textit{I. Joó}, Ann. Univ. Sci. Budap. Rolando Eötvös, Sect. Math. 37, 73--84 (1994; Zbl 0848.40002)
Joó, I. On the rearrangements of numerical sequences. (English) Zbl 0693.40004 Period. Math. Hung. 20, No. 3, 185-191 (1989). Reviewer: A.Huta MSC: 40A05 11P99 PDFBibTeX XMLCite \textit{I. Joó}, Period. Math. Hung. 20, No. 3, 185--191 (1989; Zbl 0693.40004) Full Text: DOI
Bruj, I. N.; Joó, I. On a theorem of L. Leindler. (English) Zbl 0702.42004 Ann. Univ. Sci. Budap. Rolando Eötvös, Sect. Math. 31, 55-57 (1988). Reviewer: W.Luther MSC: 42A10 40G05 PDFBibTeX XMLCite \textit{I. N. Bruj} and \textit{I. Joó}, Ann. Univ. Sci. Budap. Rolando Eötvös, Sect. Math. 31, 55--57 (1988; Zbl 0702.42004)
Erdős, Paul; Joó, I.; Székely, L. A. Some remarks on infinite series. (English) Zbl 0648.40001 Stud. Sci. Math. Hung. 22, No. 1-4, 395-400 (1987). Reviewer: B.Crstici MSC: 40A05 PDFBibTeX XMLCite \textit{P. Erdős} et al., Stud. Sci. Math. Hung. 22, No. 1--4, 395--400 (1987; Zbl 0648.40001)
Joó, I. Exact estimate for the spectral function of the singular Schrödinger operator. (English) Zbl 0633.35056 Period. Math. Hung. 18, 203-211 (1987). Reviewer: D.Ştefănescu MSC: 35P05 35J10 35C10 40A30 PDFBibTeX XMLCite \textit{I. Joó}, Period. Math. Hung. 18, 203--211 (1987; Zbl 0633.35056) Full Text: DOI
Joó, I. On the summability of eigenfunction expansions. II. (English) Zbl 0582.35087 Ann. Univ. Sci. Budap. Rolando Eötvös, Sect. Math. 27, 167-184 (1984). MSC: 35P10 35J10 40G10 PDFBibTeX XMLCite \textit{I. Joó}, Ann. Univ. Sci. Budap. Rolando Eötvös, Sect. Math. 27, 167--184 (1984; Zbl 0582.35087)
Joó, I. On the summability of eigenfunction expansions. I. (English) Zbl 0539.35058 Acta Math. Hung. 43, 73-83 (1984). Reviewer: M.S.P.Eastham MSC: 35P10 35J10 40G99 PDFBibTeX XMLCite \textit{I. Joó}, Acta Math. Hung. 43, 73--83 (1984; Zbl 0539.35058) Full Text: DOI
Joo, I. Remarks to a theorem of B. S. Kasin on convergence systems. (English) Zbl 0451.40001 Constructive function theory, Proc. int. Conf., Blagoevgrad 1977, 345-351 (1980). MSC: 40A05 40J05 41A35 PDFBibTeX XML
Joo, I. Some applications of a theorem of Banach. (English. Russian original) Zbl 0439.35050 Sov. Math., Dokl. 20, 1373-1375 (1979); translation from Dokl. Akad. Nauk SSSR 249, 1047-1049 (1979). MSC: 35P10 40G99 42C20 40A30 PDFBibTeX XMLCite \textit{I. Joo}, Sov. Math., Dokl. 20, 1373--1375 (1979; Zbl 0439.35050); translation from Dokl. Akad. Nauk SSSR 249, 1047--1049 (1979)
Joo, I. Remark to a theorem of B. S. Kasin on convergence systems. (English) Zbl 0401.40003 Constructive function theory, Proc. int. Conf., Blagoevgrad 1977 (to appear). MSC: 40A05 40J05 41A35 PDFBibTeX XML
Joo, I. On almost everywhere T-convergence systems. (English) Zbl 0373.40001 Acta Math. Acad. Sci. Hung. 29, 321-327 (1977). MSC: 40A05 PDFBibTeX XMLCite \textit{I. Joo}, Acta Math. Acad. Sci. Hung. 29, 321--327 (1977; Zbl 0373.40001) Full Text: DOI
Alexits, G.; Joo, I.; Tandori, K. On summability of orthogonal series. (English) Zbl 0346.42008 Acta Math. Acad. Sci. Hung. 29, 201-205 (1977). MSC: 42C15 40C05 PDFBibTeX XMLCite \textit{G. Alexits} et al., Acta Math. Acad. Sci. Hung. 29, 201--205 (1977; Zbl 0346.42008) Full Text: DOI
Joo, I.; Tandori, K. A remark on convergence of orthogonal series. (English) Zbl 0341.42014 Acta Sci. Math. 38, 305-309 (1976). MSC: 42C15 40A05 PDFBibTeX XMLCite \textit{I. Joo} and \textit{K. Tandori}, Acta Sci. Math. 38, 305--309 (1976; Zbl 0341.42014)
Joo, I. A remark on convergence systems in measure. (English) Zbl 0341.40003 Acta Sci. Math. 38, 301-303 (1976). MSC: 40A05 40H05 PDFBibTeX XMLCite \textit{I. Joo}, Acta Sci. Math. 38, 301--303 (1976; Zbl 0341.40003)