TY  - RPRT
TI  - Path-integral formulation of closed strings.
AU  - S Chaudhuri
AU  - H Kawai
AU  - S Tye
PY  - 1987
DO  - 10.1103/physrevd.36.1148
UR  - https://pubmed.ncbi.nlm.nih.gov/9958280/
ID  - 9958280
ER  -