TY  - RPRT
TI  - Time-dependent open string solutions in (2+1)-dimensional gravity.
AU  - H Ren
PY  - 1994
DO  - 10.1103/physrevd.50.2615
UR  - https://pubmed.ncbi.nlm.nih.gov/10017894/
ID  - 10017894
ER  -