@article{1104248199,
author = {Nelson, J. E. and Regge, T.},
title = {$2+1$ gravity for genus $>1$},
journal = {Comm. Math. Phys.},
volume = {135},
number = {2},
year = {1991},
pages = { 211-223},
language = {en},
url = {http://dml.mathdoc.fr/item/1104248199}
}
Nelson, J. E.; Regge, T. $2+1$ gravity for genus $>1$. Comm. Math. Phys., Tome 135 (1991) no. 2, pp. 211-223. http://gdmltest.u-ga.fr/item/1104248199/