共 50 条
- [25] MAXIMUM PRINCIPLE FOR THE SYSTEMS OF 2ND-ORDER MIXED-TYPE EQUATIONS DOKLADY AKADEMII NAUK SSSR, 1989, 305 (04): : 783 - 786
- [28] BOUNDEDNESS OF SOLUTIONS OF 2ND-ORDER DIFFERENTIAL-EQUATIONS AND 2ND-ORDER DIFFERENTIAL-EQUATIONS WITH DELAY CHINESE SCIENCE BULLETIN, 1989, 34 (02): : 171 - 172
- [29] 2ND-ORDER SEMILINEAR BRANCHED CAUCHY-PROBLEM ANNALES SCIENTIFIQUES DE L ECOLE NORMALE SUPERIEURE, 1991, 24 (02): : 189 - 214