Wong, James S. W. On second order nonlinear oscillation. (English) Zbl 0184.12202 Funkc. Ekvacioj, Ser. Int. 11, 207-234 (1969). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 38 Documents Keywords:ordinary differential equations PDFBibTeX XMLCite \textit{J. S. W. Wong}, Funkc. Ekvacioj, Ser. Int. 11, 207--234 (1969; Zbl 0184.12202)