共 46 条
[4]
ATICK JJ, 1987, IAS IASSNSHEP8766 PR
[5]
BARANOV MA, 1986, SOV J NUCL PHYS+, V43, P670
[6]
ON THE MULTILOOP CONTRIBUTION TO THE STRING THEORY
[J].
INTERNATIONAL JOURNAL OF MODERN PHYSICS A,
1987, 2 (06)
:1773-1796
[8]
BRUSTEIN R, USC87004
[9]
CALLAN CG, 1986, PUPT1027 PRINC PREPR
[10]
CALLAN CG, 1987, PUPT1045 PRINC PREPR