Kalajda, O. F.; Izbasarov, B. A variant of the matrix method for solution of a two-dimensional spectral problem for second-order operators of elliptic type. (Ukrainian) Zbl 0900.65324 Vīsn. Kiïv. Unīv., Mat. Mekh. 26, 65-68 (1984). MSC: 65N35 Spectral, collocation and related methods for boundary value problems involving PDEs PDF BibTeX XML Cite \textit{O. F. Kalajda} and \textit{B. Izbasarov}, Visn. Kyïv. Univ., Mat. Mekh. 26, 65--68 (1984; Zbl 0900.65324)