TY  - RPRT
TI  - String propagator: A loop space representation.
AU  - S Ansoldi
AU  - A Aurilia
AU  - E Spallucci
PY  - 1996
DO  - 10.1103/physrevd.53.870
UR  - https://pubmed.ncbi.nlm.nih.gov/10020070/
ID  - 10020070
ER  -