@misc{indiciae0058c4ef8f52, title = {Heterotic-string Lagrangean in the bosonic formulation.}, author = {JM Labastida and M Pernici}, year = {1987}, doi = {10.1103/physrevlett.59.2511}, url = {https://pubmed.ncbi.nlm.nih.gov/10035571/}, note = {Source identifier: 10035571} }