Bugir, M. K. Conditions of the nonoscillation of binomial systems of differential equations. (Ukrainian) Zbl 0937.34028 Ukr. Mat. Zh. 49, No. 6, 836-841 (1997). Reviewer: Valerie Samoilenko (Kyïv) MSC: 34C10 34A30 34C11 PDF BibTeX XML Cite \textit{M. K. Bugir}, Ukr. Mat. Zh. 49, No. 6, 836--841 (1997; Zbl 0937.34028) Full Text: DOI
Bugir, M. K. Conditions of nonoscillations of binomial systems of differential equations. (English. Russian original) Zbl 0940.34018 Ukr. Math. J. 49, No. 6, 935-942 (1997); translation from Ukr. Mat. Zh. 49, No. 6, 836-841 (1997). MSC: 34C10 PDF BibTeX XML Cite \textit{M. K. Bugir}, Ukr. Mat. Zh. 49, No. 6, 1 (1997; Zbl 0940.34018); translation from Ukr. Mat. Zh. 49, No. 6, 836--841 (1997) Full Text: DOI
Bugir, M. K. Estimates for conditional stability of two-contour boundary value problem for fourth order elliptic partial differential equations. (Russian) Zbl 0886.35054 Ukr. Mat. Zh. 47, No. 10, 1418-1420 (1995). Reviewer: Valerie Samoilenko (Kyïv) MSC: 35J40 31A30 35B45 PDF BibTeX XML Cite \textit{M. K. Bugir}, Ukr. Mat. Zh. 47, No. 10, 1418--1420 (1995; Zbl 0886.35054) Full Text: DOI
Bugir, M. K. Investigation of properties of nonoscillatory nature of solutions of partial differential equations by the method of separation of variables. (Russian) Zbl 0768.35076 Ukr. Mat. Zh. 44, No. 3, 317-323 (1992). Reviewer: T.A.Dzhangveladze (Tbilisi) MSC: 35R25 35B05 PDF BibTeX XML Cite \textit{M. K. Bugir}, Ukr. Mat. Zh. 44, No. 3, 317--323 (1992; Zbl 0768.35076) Full Text: DOI
Bugir, M. K. Mean value theorems and nonoscillability of solutions of partial differential equations in the spaces \(E^ n\) and \(P^ n\). (English. Russian original) Zbl 0799.35020 Ukr. Math. J. 44, No. 11, 1359-1365 (1992); translation from Ukr. Mat. Zh. 44, No. 11, 1477-1483 (1992). Reviewer: V.Lovicar (Praha) MSC: 35B05 PDF BibTeX XML Cite \textit{M. K. Bugir}, Ukr. Mat. Zh. 44, No. 11, 1477--1483 (1992; Zbl 0799.35020); translation from Ukr. Mat. Zh. 44, No. 11, 1477--1483 (1992) Full Text: DOI