TY  - RPRT
TI  - Nonperturbative time-dependent classical string solutions for the closed, bosonic string.
AU  - AR Steif
PY  - 1990
DO  - 10.1103/physrevd.42.2150
UR  - https://pubmed.ncbi.nlm.nih.gov/10013066/
ID  - 10013066
ER  -