共 6 条
[1]
HELFFER B, 1991, SEMICLASSICAL EXPANS, V1
[2]
KAC M, 1966, MATH MECHANISMS PHAS
[3]
KAC M, 1962, STUDIES MATH ANAL RE, P165
[4]
Singer I. M., 1985, ANN SCUOLA NORM 4 S, V12, P319
[5]
SJOSTRAND J, 1991, POTENTIAL WELLS HIGH, V2
[6]
SJOSTRAND J, 1991, POTENTIAL WELLS HIGH