Mingarelli, Angelo B. An oscillation criterion for second order self-adjoint differential systems. (English) Zbl 0454.34032 C. R. Math. Acad. Sci., Soc. R. Can. 2, 287-290 (1980). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 6 Documents MSC: 34C10 Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations 34A30 Linear ordinary differential equations and systems Keywords:mutually conjugate points PDFBibTeX XMLCite \textit{A. B. Mingarelli}, C. R. Math. Acad. Sci., Soc. R. Can. 2, 287--290 (1980; Zbl 0454.34032)