共 50 条
- [2] BOUNDEDNESS OF SOLUTIONS OF 2ND-ORDER DIFFERENTIAL-EQUATIONS AND 2ND-ORDER DIFFERENTIAL-EQUATIONS WITH DELAY CHINESE SCIENCE BULLETIN, 1989, 34 (02): : 171 - 172
- [6] ON THE OSCILLATORY BEHAVIOR OF SOLUTIONS OF 2ND-ORDER NONLINEAR DIFFERENTIAL-EQUATIONS PUBLICATIONES MATHEMATICAE-DEBRECEN, 1993, 43 (3-4): : 351 - 357