Fayazov, Kudratillo Sadridinovich; Abdullayeva, Zamira Shamshaddinovna Conditional correctness of the internal boundary value problem of the pseudoparabolic equation with a changing time direction. (English) Zbl 1478.34077 Missouri J. Math. Sci. 32, No. 1, 49-60 (2020). MSC: 34K10 34K29 65N20 65N21 65Q10 PDF BibTeX XML Cite \textit{K. S. Fayazov} and \textit{Z. S. Abdullayeva}, Missouri J. Math. Sci. 32, No. 1, 49--60 (2020; Zbl 1478.34077) Full Text: DOI Euclid OpenURL
Sozontova, E. A. A conditions of solvability of the Goursat problem in quadratures for the two-dimensional system of high order. (Russian. English summary) Zbl 1413.35272 Vestn. Samar. Gos. Tekh. Univ., Ser. Fiz.-Mat. Nauki 21, No. 1, 94-111 (2017). MSC: 35K70 PDF BibTeX XML Cite \textit{E. A. Sozontova}, Vestn. Samar. Gos. Tekh. Univ., Ser. Fiz.-Mat. Nauki 21, No. 1, 94--111 (2017; Zbl 1413.35272) Full Text: DOI MNR OpenURL