共 12 条
- [1] ANTOSIEWICZ HA, 1964, COLLOQUES INTERNAT C, P213
- [2] Cesari L., 1963, CONTRIB DIFFEREN EQU, V1, P149
- [3] CESARI L, 1959, ASYMPTOTIC BEHAVIOR
- [4] Conti R., 1962, ANN MAT PUR APPL, V57, P48
- [5] Conti R., 1961, MATH NACHR, V23, P161
- [6] CONTI R, 1964, RIAS6412 TECH REP
- [7] CORDUNEANU C, 1960, AN STI U AL I CUZA, V6, P257
- [8] Hale J. K., 1963, OSCILLATIONS NONLINE