Erbe, L. Oscillation theorems for second order nonlinear differential equations. (English) Zbl 0194.12102 Proc. Am. Math. Soc. 24, 811-814 (1970). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 13 Documents Keywords:ordinary differential equations × Cite Format Result Cite Review PDF Full Text: DOI