Nowakowski, Andrzej A class of nonlinear hyperbolic equations. (English) Zbl 0788.34061 Demonstr. Math. 22, No. 2, 509-521 (1989). MSC: 34G20 34A60 35L70 PDF BibTeX XML Cite \textit{A. Nowakowski}, Demonstr. Math. 22, No. 2, 509--521 (1989; Zbl 0788.34061) Full Text: DOI OpenURL
Paszkiewicz, Adam An almost uniform limit in a \(W^*\)-algebra is unique. (English) Zbl 0723.46043 Demonstr. Math. 22, No. 2, 413-417 (1989). MSC: 46L51 46L53 46L54 PDF BibTeX XML Cite \textit{A. Paszkiewicz}, Demonstr. Math. 22, No. 2, 413--417 (1989; Zbl 0723.46043) Full Text: DOI OpenURL
Dvurečenskij, Anatolij; Pulmannová, Sylvia Type II joint distribution and compatibility of observables. (English) Zbl 0718.46050 Demonstr. Math. 22, No. 2, 479-497 (1989). Reviewer: C.M.Edwards (Oxford) MSC: 46L60 46N50 81P05 PDF BibTeX XML Cite \textit{A. Dvurečenskij} and \textit{S. Pulmannová}, Demonstr. Math. 22, No. 2, 479--497 (1989; Zbl 0718.46050) OpenURL
Radzikowski, Jerzy The uniqueness and some properties of a solution of a linear non- homogeneous symmetric t-hyperbolic system. (English) Zbl 0709.35070 Demonstr. Math. 22, No. 2, 351-364 (1989). Reviewer: G.Warnecke MSC: 35L50 35B45 PDF BibTeX XML Cite \textit{J. Radzikowski}, Demonstr. Math. 22, No. 2, 351--364 (1989; Zbl 0709.35070) Full Text: DOI OpenURL
Morchało, Jarosław Asymptotic equivalence of differential equation in Banach space. (English) Zbl 0706.34034 Demonstr. Math. 22, No. 2, 309-320 (1989). Reviewer: L.Reizins MSC: 34C20 34C11 34G10 PDF BibTeX XML Cite \textit{J. Morchało}, Demonstr. Math. 22, No. 2, 309--320 (1989; Zbl 0706.34034) OpenURL
Matuszczyk, Hanna Regularity and coregularity in quasi-algebraic spaces. (English) Zbl 0704.58009 Demonstr. Math. 22, No. 2, 285-291 (1989). Reviewer: D.Repovš MSC: 58C99 14A20 58A99 PDF BibTeX XML Cite \textit{H. Matuszczyk}, Demonstr. Math. 22, No. 2, 285--291 (1989; Zbl 0704.58009) Full Text: DOI OpenURL
Kasperski, Andrzej The modular spaces of multifunctions. (English) Zbl 0703.46020 Demonstr. Math. 22, No. 2, 419-439 (1989). Reviewer: J.Appell MSC: 46E30 46A80 26E25 54C60 PDF BibTeX XML Cite \textit{A. Kasperski}, Demonstr. Math. 22, No. 2, 419--439 (1989; Zbl 0703.46020) Full Text: DOI OpenURL
Kominek, Zygfryd On a local stability of the Jensen functional equation. (English) Zbl 0702.39007 Demonstr. Math. 22, No. 2, 499-507 (1989). Reviewer: C.T.Ng MSC: 39B72 39B52 26B25 PDF BibTeX XML Cite \textit{Z. Kominek}, Demonstr. Math. 22, No. 2, 499--507 (1989; Zbl 0702.39007) Full Text: DOI OpenURL
Tym, Witold Application de la méthode des élements finis à un problème initial pour l’équation différentielle avec “mémoire”. (Application of the finite element method to the initial value problem for the differential equation with “memory”). (French) Zbl 0702.34004 Demonstr. Math. 22, No. 2, 391-400 (1989). Reviewer: N.Pavel MSC: 34A12 34K05 PDF BibTeX XML Cite \textit{W. Tym}, Demonstr. Math. 22, No. 2, 391--400 (1989; Zbl 0702.34004) Full Text: DOI OpenURL
Hącia, Lechosław Approximate solutions of a certain class of operator equations. (English) Zbl 0701.47039 Demonstr. Math. 22, No. 2, 339-349 (1989). Reviewer: J.Appell MSC: 47J05 47G10 45G10 PDF BibTeX XML Cite \textit{L. Hącia}, Demonstr. Math. 22, No. 2, 339--349 (1989; Zbl 0701.47039) OpenURL
Dawidowicz, Antoni Leon On the Avez measure for hyperbolic equation. (English) Zbl 0698.58036 Demonstr. Math. 22, No. 2, 271-275 (1989). Reviewer: A.L.Dawidowicz MSC: 37A99 35L15 28C20 PDF BibTeX XML Cite \textit{A. L. Dawidowicz}, Demonstr. Math. 22, No. 2, 271--275 (1989; Zbl 0698.58036) Full Text: DOI OpenURL
Sarnowski, Krzysztof On the existence of certain vector fields on nearly conformally symmetric manifolds. (English) Zbl 0698.53010 Demonstr. Math. 22, No. 2, 461-473 (1989). Reviewer: W.Roter MSC: 53B20 PDF BibTeX XML Cite \textit{K. Sarnowski}, Demonstr. Math. 22, No. 2, 461--473 (1989; Zbl 0698.53010) Full Text: DOI OpenURL
Szuster, Janusz Characteristic equations for controlled iterative systems. (English) Zbl 0697.94009 Demonstr. Math. 22, No. 2, 325-337 (1989). Reviewer: J.Szuster MSC: 94A99 PDF BibTeX XML Cite \textit{J. Szuster}, Demonstr. Math. 22, No. 2, 325--337 (1989; Zbl 0697.94009) Full Text: DOI OpenURL
Lingappaiah, G. S. On some generalizations of the Poisson distribution. (English) Zbl 0697.62007 Demonstr. Math. 22, No. 2, 523-536 (1989). Reviewer: C.Klüppelberg MSC: 62E10 62F15 62F10 PDF BibTeX XML Cite \textit{G. S. Lingappaiah}, Demonstr. Math. 22, No. 2, 523--536 (1989; Zbl 0697.62007) Full Text: DOI OpenURL
Dymitruk, Anna Vibration control of the system of strings connected in a node. (English) Zbl 0696.93035 Demonstr. Math. 22, No. 2, 557-571 (1989). Reviewer: R.M.Bianchini MSC: 93C20 35B37 74H45 93B03 PDF BibTeX XML Cite \textit{A. Dymitruk}, Demonstr. Math. 22, No. 2, 557--571 (1989; Zbl 0696.93035) Full Text: DOI OpenURL
Wesolowski, Jacek Characterizations of some processes by properties of conditional moments. (English) Zbl 0696.60052 Demonstr. Math. 22, No. 2, 537-556 (1989). Reviewer: W.Bryc MSC: 60G99 PDF BibTeX XML Cite \textit{J. Wesolowski}, Demonstr. Math. 22, No. 2, 537--556 (1989; Zbl 0696.60052) Full Text: DOI OpenURL
Grochowski, Boguslaw Central projection of a segment perpendicular to the given plane. (English) Zbl 0695.51012 Demonstr. Math. 22, No. 2, 321-324 (1989). Reviewer: H.Heineken MSC: 51M15 51N05 PDF BibTeX XML Cite \textit{B. Grochowski}, Demonstr. Math. 22, No. 2, 321--324 (1989; Zbl 0695.51012) Full Text: DOI OpenURL
Šmarda, Zdenek The asymptotic behaviour of solutions of the singular integro- differential equation. (English) Zbl 0695.45010 Demonstr. Math. 22, No. 2, 293-308 (1989). Reviewer: Z.C.Wang MSC: 45J05 45M05 PDF BibTeX XML Cite \textit{Z. Šmarda}, Demonstr. Math. 22, No. 2, 293--308 (1989; Zbl 0695.45010) OpenURL
Kaczmarski, Bogusław On the measure and Borel type of the set of points of one-sided non- differentiability. (English) Zbl 0695.26004 Demonstr. Math. 22, No. 2, 441-460 (1989). Reviewer: Z.Grande MSC: 26A24 26A27 26A21 26A15 28A05 PDF BibTeX XML Cite \textit{B. Kaczmarski}, Demonstr. Math. 22, No. 2, 441--460 (1989; Zbl 0695.26004) Full Text: DOI OpenURL
Xia, Z. Q.; Zhao, Chunjin Second-order expansions for a class of quasi-differentiable functions. (English) Zbl 0694.49014 Demonstr. Math. 22, No. 2, 365-389 (1989). MSC: 49J52 46G05 26B05 PDF BibTeX XML Cite \textit{Z. Q. Xia} and \textit{C. Zhao}, Demonstr. Math. 22, No. 2, 365--389 (1989; Zbl 0694.49014) Full Text: DOI OpenURL
Oestreich, Dieter Ein Problem der elektrochemischen Bearbeitung mit gekrümmter Katode. (German) Zbl 0693.30034 Demonstr. Math. 22, No. 2, 401-412 (1989). Reviewer: H.Begehr MSC: 30E25 PDF BibTeX XML Cite \textit{D. Oestreich}, Demonstr. Math. 22, No. 2, 401--412 (1989; Zbl 0693.30034) Full Text: DOI OpenURL
Popa, Valeriu Sur les multifonctions faiblement continues et H-presque continues. (On the weakly continuous and H-almost continuous multifunctions). (French) Zbl 0692.54009 Demonstr. Math. 22, No. 2, 277-283 (1989). MSC: 54C60 54C08 PDF BibTeX XML Cite \textit{V. Popa}, Demonstr. Math. 22, No. 2, 277--283 (1989; Zbl 0692.54009) Full Text: DOI OpenURL
Kryński, Stanislaw A characterization of discrete topological spaces as convexity spaces. (English) Zbl 0691.54002 Demonstr. Math. 22, No. 2, 475-478 (1989). MSC: 54A05 PDF BibTeX XML Cite \textit{S. Kryński}, Demonstr. Math. 22, No. 2, 475--478 (1989; Zbl 0691.54002) OpenURL