共 50 条
- [41] BOUNDEDNESS OF A CERTAIN 4TH-ORDER DIFFERENTIAL EQUATION JOURNAL OF THE LONDON MATHEMATICAL SOCIETY-SECOND SERIES, 1975, 11 (OCT): : 313 - 324
- [44] THE OPERATOR COMPACT IMPLICIT METHOD FOR 4TH ORDER ORDINARY DIFFERENTIAL-EQUATIONS SIAM JOURNAL ON SCIENTIFIC AND STATISTICAL COMPUTING, 1986, 7 (04): : 1232 - 1245
- [47] EXISTENCE OF PERIODIC-SOLUTIONS OF CERTAIN 4TH ORDER DIFFERENTIAL-EQUATIONS ATTI DELLA ACCADEMIA NAZIONALE DEI LINCEI RENDICONTI-CLASSE DI SCIENZE FISICHE-MATEMATICHE & NATURALI, 1974, 57 (06): : 530 - 533
- [49] A DUAL METHOD FOR THE SOLUTION OF THE ELLIPTIC 4TH-ORDER EQUATIONS DOPOVIDI AKADEMII NAUK UKRAINSKOI RSR SERIYA A-FIZIKO-MATEMATICHNI TA TECHNICHNI NAUKI, 1987, (06): : 26 - 29