Ivanov, O. V. Generalized analytic functions and the two-sheeted theorem on the crown. (Russian. English summary) Zbl 0732.30040 Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 10-11 (1989). Reviewer: M.Vuorinen (Helsinki) MSC: 30H05 46J15 PDFBibTeX XMLCite \textit{O. V. Ivanov}, Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 10--11 (1989; Zbl 0732.30040)
Liberol’, B. D.; Rudenko, O. G. On properties of the projection algorithm for estimation of coefficients of a quadratic form. (Russian. English summary) Zbl 0723.93067 Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 67-70 (1989). MSC: 93E10 93E12 94A05 65C99 PDFBibTeX XMLCite \textit{B. D. Liberol'} and \textit{O. G. Rudenko}, Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 67--70 (1989; Zbl 0723.93067)
Shishkov, A. E.; Akulov, V. F. Analogs of the Täcklind classes of uniqueness of solutions for some quasi-linear degenerate parabolic equations. (Russian. English summary) Zbl 0703.35097 Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 23-25 (1989). Reviewer: T.Petrila MSC: 35K65 35K57 35B99 76S05 PDFBibTeX XMLCite \textit{A. E. Shishkov} and \textit{V. F. Akulov}, Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 23--25 (1989; Zbl 0703.35097)
Porper, F. O.; Èĭdel’man, S. D. On validity of two-sided estimates for weak fundamental solutions of diffusion equations with a drift. (Russian. English summary) Zbl 0703.35088 Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 18-21 (1989). Reviewer: Titus Petrila (Cluj-Napoca) MSC: 35K50 35R25 35K57 35B30 PDFBibTeX XMLCite \textit{F. O. Porper} and \textit{S. D. Èĭdel'man}, Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 18--21 (1989; Zbl 0703.35088)
Fushchich, V. I.; Egorchenko, I. A. Differential invariants of the Poincaré algebra and conformal algebra. (Russian. English summary) Zbl 0701.35144 Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 21-22 (1989). MSC: 35Q75 22E70 35L70 PDFBibTeX XMLCite \textit{V. I. Fushchich} and \textit{I. A. Egorchenko}, Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 21--22 (1989; Zbl 0701.35144)
Kalita, E. A. Regularity of solutions for elliptic systems of Cordes type of arbitrary order. (Russian. English summary) Zbl 0701.35044 Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 12-15 (1989). Reviewer: P.Drábek MSC: 35D10 35J30 35J45 PDFBibTeX XMLCite \textit{E. A. Kalita}, Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 12--15 (1989; Zbl 0701.35044)
Egorov, A. I.; Kogut, P. I. Optimal synthesis for an equation of the neutral type. (Russian. English summary) Zbl 0693.49013 Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 64-67 (1989). MSC: 49K99 49L20 PDFBibTeX XMLCite \textit{A. I. Egorov} and \textit{P. I. Kogut}, Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 64--67 (1989; Zbl 0693.49013)
Kovalevskij, A. A. G-convergence of operators defined on different Banach spaces and convergence of solutions of variational inequalities. (Russian. English summary) Zbl 0692.47049 Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 15-17 (1989). MSC: 47H99 49J40 PDFBibTeX XMLCite \textit{A. A. Kovalevskij}, Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 15--17 (1989; Zbl 0692.47049)
Butsan, G. P. The mixed product of stochastic systems without independence and evolution conditions. (Russian. English summary) Zbl 0688.60050 Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 6-9 (1989). MSC: 60H25 PDFBibTeX XMLCite \textit{G. P. Butsan}, Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 6--9 (1989; Zbl 0688.60050)
Lyashko, V. I.; Prokopovich, P. V.; Chikrij, A. A. On a class of conflict-controlled processes with non-fixed time. (Russian. English summary) Zbl 0687.90109 Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 71-73 (1989). MSC: 91A24 91A23 91A99 PDFBibTeX XMLCite \textit{V. I. Lyashko} et al., Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 71--73 (1989; Zbl 0687.90109)
Stoyan, Yu. G.; Yakovlev, S. V.; Pashin, O. V. Optimization of quadratic functions on the set of permutations mapped into \(R^ n\). (Russian. English summary) Zbl 0687.90072 Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 73-77 (1989). MSC: 90C27 90C20 65K05 PDFBibTeX XMLCite \textit{Yu. G. Stoyan} et al., Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 73--77 (1989; Zbl 0687.90072)
Popov, E. F. A quantum-statistical derivation of the expression for the radiation reaction force. (Russian. English summary) Zbl 0687.76121 Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 60-63 (1989). MSC: 76X05 82B10 PDFBibTeX XMLCite \textit{E. F. Popov}, Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 60--63 (1989; Zbl 0687.76121)
Belyaev, A. V. Singular points of solutions of Euler-Poisson equations. (Russian. English summary) Zbl 0687.34024 Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 3-6 (1989). MSC: 34C05 53C12 PDFBibTeX XMLCite \textit{A. V. Belyaev}, Dokl. Akad. Nauk Ukr. SSR, Ser. A 1989, No. 5, 3--6 (1989; Zbl 0687.34024)