共 50 条
- [21] ON THE LIE-BACKLUND SYMMETRY OF LINEAR ORDINARY DIFFERENTIAL-EQUATIONS JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL, 1984, 17 (09): : 1787 - 1790
- [24] Invariance of nth-order ordinary differential equations under a one-parameter Lie group of transformations UPB Scientific Bulletin, Series A: Applied Mathematics and Physics, 60 (03): : 57 - 70
- [29] LOCAL AND NONLOCAL LIE-BACKLUND TRANSFORMATIONS OF THE MASSIVE THIRRING MODEL - A SYMBOLIC COMPUTATION PHYSICA D, 1987, 28 (1-2): : 226 - 226