共 7 条
[1]
Cole J. D., 1968, PERTURBATION METHODS
[2]
HUTTER K, INT J SOLIDS STRUCTU, V7, P1523
[3]
LI WH, 1966, J ACCOUSTIC SOC AM, V40
[4]
OMALLEY RE, 1968, ADVANCES MATHEMATICS, V2, P367
[5]
SOKOLNIKOFF IS, 1966, MATHEMATICS PHYSICS, P243
[6]
TIMOSHENKO SP, 1961, THEORY ELASTIC STABI, P334
[7]
WEINSTOCK R, 1952, CALCULUS VARIATION