Strygin, V. V. Relationship theorems for the periodic problem of an autonomous system of ordinary differential equations. (Russian) Zbl 0272.34083 7. Let. Mat. Shkola, Katsiveli 1969, 351-365 (1970). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Documents MSC: 34C25 Periodic solutions to ordinary differential equations 34G99 Differential equations in abstract spaces PDFBibTeX XML