共 50 条
- [1] A NECESSARY AND SUFFICIENT CONDITION FOR THE EXISTENCE OF THE SPECTRAL MATRIX OF A DIFFERENTIAL SYSTEM [J]. INDIAN JOURNAL OF PURE & APPLIED MATHEMATICS, 1994, 25 (04): : 365 - 379
- [2] NECESSARY AND SUFFICIENT CONDITION OF LINEAR REGULARIZABILITY [J]. DOKLADY AKADEMII NAUK SSSR, 1976, 229 (06): : 1292 - 1294
- [4] A NECESSARY AND SUFFICIENT CONDITION FOR OSCILLATION OF SOME LINEAR SECOND ORDER DIFFERENTIAL EQUATION [J]. NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1969, 16 (07): : 1084 - &