共 50 条
- [31] 1ST ORDER EQUATIONS WITH PARTIAL DERIVATIVES IN GENERALIZED FUNCTIONS IZVESTIYA AKADEMII NAUK AZERBAIDZHANSKOI SSR SERIYA FIZIKO-TEKHNICHESKIKH I MATEMATICHESKIKH NAUK, 1976, (05): : 37 - 40
- [33] GENERAL LINEAR SYSTEMS OF 1ST ORDER DIFFERENTIAL EQUATIONS AMERICAN MATHEMATICAL MONTHLY, 1968, 75 (06): : 637 - &
- [35] INTEGRABILITY OF NONLINEAR DIFFERENTIAL-EQUATIONS OF THE 1ST ORDER DOKLADY AKADEMII NAUK BELARUSI, 1984, 28 (07): : 581 - 584
- [37] ON THE EXISTENCE OF SOLUTIONS FOR 1ST ORDER QUASILINEAR SYMMETRIZABLE SYSTEMS OF PARTIAL-DIFFERENTIAL EQUATIONS CHINESE ANNALS OF MATHEMATICS SERIES B, 1982, 3 (03): : 353 - 364