Order α′ (two-loop) equivalence of the string equations of motion and the σ-model Weyl invariance conditions
R.R. MetsaevDepartment of Theoretical Physics, P.N. Lebedev Physical Institute, Leninsky pr. 53, Moscow 117924 USSRA.A. TseytlinDepartment of Theoretical Physics, P.N. Lebedev Physical Institute, Leninsky pr. 53, Moscow 117924 USSR
1987en
ABI
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Cited by 40 references