共 50 条
- [2] STANDARDIZATION AND SIMPLIFICATION OF SYSTEMS OF LINEAR DIFFERENTIAL EQUATIONS INVOLVING A TURNING POINT JOURNAL OF THE SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS, 1959, 7 (03): : 316 - 324
- [3] Linear system of differential equations with turning point Ukrainian Mathematical Journal, 2010, 62 : 716 - 738
- [8] A formal theory of linear differential equations (second part). JOURNAL FUR DIE REINE UND ANGEWANDTE MATHEMATIK, 1932, 168 (1/4): : 233 - 252
- [10] On the theory of the systems of linear differential equations COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1904, 138 : 955 - 956