共 50 条
- [34] On compatible systems of first-order equations INDIAN JOURNAL OF PURE & APPLIED MATHEMATICS, 1998, 29 (08): : 835 - 836
- [35] FIRST-ORDER INVERSE EVOLUTION EQUATIONS EVOLUTION EQUATIONS AND CONTROL THEORY, 2014, 3 (03): : 355 - 361
- [38] SYMMETRY REDUCTION FOR NONLINEAR RELATIVISTICALLY INVARIANT EQUATIONS PHYSICA D, 1984, 11 (03): : 414 - 414
- [39] INTERPRETATION OF FIRST-ORDER CORRECTION TO MAGNETIC MOMENT INVARIANT JOURNAL OF GEOPHYSICAL RESEARCH, 1967, 72 (01): : 436 - +
- [40] FUNCTIONALLY INVARIANT SOLUTION TO ONE CLASS OF EQUATIONS WITH SECOND-ORDER PARTIAL DERIVATIVES DOKLADY AKADEMII NAUK SSSR, 1972, 205 (01): : 30 - &