TY  - RPRT
TI  - Heterotic-string Lagrangean in the bosonic formulation.
AU  - JM Labastida
AU  - M Pernici
PY  - 1987
DO  - 10.1103/physrevlett.59.2511
UR  - https://pubmed.ncbi.nlm.nih.gov/10035571/
ID  - 10035571
ER  -