共 50 条
- [1] DISCONJUGACY CRITERIA FOR NONSELFADJOINT DIFFERENTIAL EQUATIONS OF EVEN ORDER [J]. CANADIAN JOURNAL OF MATHEMATICS, 1971, 23 (04): : 644 - &
- [3] DISCONJUGACY CRITERIA FOR NONSELFADJOINT DIFFERENTIAL EQUATIONS OF EVEN ORDER [J]. NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1970, 17 (05): : 776 - &
- [5] Some new oscillation criteria for second-order hybrid differential equations [J]. HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS, 2020, 49 (04): : 1334 - 1345
- [9] DISCONJUGACY CRITERIA FOR SYSTEMS OF SELFADJOINT DIFFERENTIAL EQUATIONS [J]. NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1970, 17 (01): : 196 - &
- [10] Oscillation criteria for second order nonlinear differential equations with damped term [J]. INDIAN JOURNAL OF PURE & APPLIED MATHEMATICS, 1999, 30 (10): : 1017 - 1029