共 10 条
[3]
FRAMPTON P, 1976, PHYS REV LETT, V37, P1380
[5]
LANGACKER P, 1980, SLACPUB2496 PREPR
[6]
LINDE AD, 1976, JETP LETT+, V23, P64
[8]
STEINHARDT P, HARVARD PREPRINT
[10]
WITTEN E, 1980, HUTP80A040 HARV PREP