共 13 条
[1]
[Anonymous], 1963, MATH Z, DOI DOI 10.1007/BF01111422
[2]
PERIODIC SOLUTIONS OF X''+CX'+G(X)=EF(T) UNDER VARIATION OF CERTAIN PARAMETERS
[J].
JOURNAL OF THE SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS,
1960, 8 (01)
:74-101
[3]
BYRD PF, 1954, HANDBOOK ELLIPTIC IN
[4]
HARVEY CA, 1963, CONTRIBUTIONS DIFFER, V1, P425
[5]
HEINBOCKEL JH, 1964, THESIS U NORTH CAROL
[6]
KOTIN L, 1964, J MATH ANAL APPL, V8, P52
[7]
LEFSCHETZ S, 1957, DIFF EQUAT, P283
[8]
LOUD WS, 1959, MEM AMER MATH SOC, V31
[9]
MORRIS RG, 1955, P CAMBRIDGE PHILOS S, V51, P297
[10]
SEIFERT G, 1959, P AM MATH SOC, V10, P396