共 50 条
- [12] PERTURBATIONS CAUSING OSCILLATIONS OF FUNCTIONAL-DIFFERENTIAL EQUATIONS NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1973, 20 (05): : A488 - A488
- [16] OSCILLATIONS OF FUNCTIONAL-DIFFERENTIAL EQUATIONS CAUSED BY DEVIATING ARGUMENTS INDIAN JOURNAL OF PURE & APPLIED MATHEMATICS, 1990, 21 (02): : 120 - 139