@article{GDZPPN002063018,
title = {Pseudoconcave homogeneous surfaces.},
journal = {Commentarii mathematici Helvetici},
volume = {53},
year = {1978},
pages = {429-438},
zbl = {0387.32014},
url = {http://dml.mathdoc.fr/item/GDZPPN002063018}
}
Gilligan, B.; Huckleberry, A. Pseudoconcave homogeneous surfaces.. Commentarii mathematici Helvetici, Tome 53 (1978) pp. 429-438. http://gdmltest.u-ga.fr/item/GDZPPN002063018/