共 50 条
- [28] REPRESENTATIONS OF SOLUTIONS OF PERIODIC 2ND ORDER LINEAR-DIFFERENTIAL EQUATIONS JOURNAL FUR DIE REINE UND ANGEWANDTE MATHEMATIK, 1983, 344 : 1 - 21
- [29] ON LINEAR PARTIAL DIFFERENTIAL EQUATIONS OF THE 2ND ORDER HAVING GEODESIC SOLUTIONS CANADIAN JOURNAL OF MATHEMATICS-JOURNAL CANADIEN DE MATHEMATIQUES, 1954, 6 (01): : 73 - 79