Bugir, M. K. Über die Entwicklung von G. Polya und G. Mammana für ein Gleichungssystem. (Russian) Zbl 0299.34024 Differ. Uravn. 8, 529-530 (1972). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 34B10 Nonlocal and multipoint boundary value problems for ordinary differential equations 34A30 Linear ordinary differential equations and systems, general PDF BibTeX XML Cite \textit{M. K. Bugir}, Differ. Uravn. 8, 529--530 (1972; Zbl 0299.34024)