Vasylyshyn, P. B.; Savka, I. Ya.; Klyus, I. S. Multipoint nonlocal problem for factorized equation with dependent coefficients in conditions. (English) Zbl 1326.35080 Carpathian Math. Publ. 7, No. 1, 22-27 (2015). MSC: 35G15 11K60 PDF BibTeX XML Cite \textit{P. B. Vasylyshyn} et al., Carpathian Math. Publ. 7, No. 1, 22--27 (2015; Zbl 1326.35080) Full Text: DOI
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
Savka, I. Ya. Nonlocal problem with dependent coefficients in conditions for the second-order equation in time variable. (Ukrainian. English, Russian summaries) Zbl 1391.35110 Carpathian Math. Publ. 2, No. 2, 101-110 (2010). MSC: 35G15 35B10 11K60 PDF BibTeX XML Cite \textit{I. Ya. Savka}, Carpathian Math. Publ. 2, No. 2, 101--110 (2010; Zbl 1391.35110) Full Text: Link