共 8 条
- [1] CARTWRIGHT ML, 1950, CONTRIBUTIONS THEORY, V20, P149
- [2] DORODNICYN AA, IN PRESS ASYMPTOTIC
- [3] Flanders Donald A., 1946, STUDIES NONLINEAR VI, P50
- [4] Haag Jules, 1943, ANN SCI ECOLE NORM S, V60, P35
- [5] Haag Jules, 1944, ANN SCI ECOL NORMALE, V61, P73
- [6] LASALLE J, 1949, Q APPL MATH, V7, P1
- [7] Levinson N., 1942, DUKE MATH J, V9, P382, DOI 10.1215/S0012-7094-42-00928-1
- [8] Stoker J.J., 1950, NONLINEAR VIBRATIONS, V2