×

zbMATH — the first resource for mathematics

Expansion in eigenfunctions of a non-selfadjoint system of second-order differential equations. (English. Russian original) Zbl 0118.08603
Sov. Math., Dokl. 2, 1121-1125 (1961); translation from Dokl. Akad. Nauk SSSR 140, 19-22 (1961).
PDF BibTeX XML Cite