共 22 条
[2]
NONPOSITIVITY OF ENERGY DENSITY IN QUANTIZED FIELD THEORIES
[J].
NUOVO CIMENTO,
1965, 36 (03)
:1016-+
[4]
GREENBERG M, 1967, LECTURES ALGEBRAIC T, P116
[6]
HAWKING SW, 1973, LARGE SCALE STRUCTUR, P354
[7]
HILTON P, 1969, ALGEBRAIC TOPOLOGY I, P51
[8]
HU TS, 1959, HOMOTOPY THEORY, P89
[10]
QUANTIZED MATTER FIELDS AND AVOIDANCE OF SINGULARITIES IN GENERAL RELATIVITY
[J].
PHYSICAL REVIEW D,
1973, 7 (08)
:2357-2374