Il’kiv, V. S.; Savka, I. Ya.; Symotyuk, M. M. Sobolev periodic solutions of a partial differential equation with coefficients which depend on a parameter. (Ukrainian. English, Russian summaries) Zbl 1391.35109 Carpathian Math. Publ. 5, No. 2, 249-255 (2013). MSC: 35G15 35B10 11K60 PDF BibTeX XML Cite \textit{V. S. Il'kiv} et al., Carpathian Math. Publ. 5, No. 2, 249--255 (2013; Zbl 1391.35109) Full Text: DOI
Il’kiv, V. S.; Savka, I. Ya. A problem with nonlocal conditions for partial differential equations with constant algebraically dependent coefficients. (Ukrainian. English summary) Zbl 1240.35080 Dopov. Nats. Akad. Nauk Ukr., Mat. Pryr. Tekh. Nauky 2011, No. 5, 18-27 (2011). MSC: 35C11 PDF BibTeX XML Cite \textit{V. S. Il'kiv} and \textit{I. Ya. Savka}, Dopov. Nats. Akad. Nauk Ukr., Mat. Pryr. Tekh. Nauky 2011, No. 5, 18--27 (2011; Zbl 1240.35080)
Dubins’kyj, Yu. A.; Il’kiv, V. S.; Savka, I. Ya.; Symotyuk, M. M. Nonlocal boundary value problems for infinite order partial differential equations with algebraic dependent coefficients. (Ukrainian. English summary) Zbl 1289.35001 Visn. Derzh. Univ. L’viv. Politekh. 687, 97-104 (2010). MSC: 35A01 PDF BibTeX XML Cite \textit{Yu. A. Dubins'kyj} et al., Visn. Derzh. Univ. L'viv. Politekh. 687, 97--104 (2010; Zbl 1289.35001)
Il’kiv, V. S.; Savka, I. Ya. A nonlocal two-point problem for partial differential equations with linearly dependent coefficients. (Ukrainian, English) Zbl 1212.35076 Mat. Metody Fiz.-Mekh. Polya 51, No. 4, 48-58 (2008); translation in J. Math. Sci., New York 167, No. 1, 47-61 (2010). Reviewer: V. P. Phil’chakova (Kyïv) MSC: 35J15 PDF BibTeX XML Cite \textit{V. S. Il'kiv} and \textit{I. Ya. Savka}, Mat. Metody Fiz.-Mekh. Polya 51, No. 4, 48--58 (2008; Zbl 1212.35076); translation in J. Math. Sci., New York 167, No. 1, 47--61 (2010)