@article{CMH_1978__53_139745,
     author = {B. Gilligan and A. Huckleberry},
     title = {Pseudoconcave homogeneous surfaces.},
     journal = {Commentarii mathematici Helvetici},
     pages = {429--438},
     year = {1978},
     volume = {53},
     zbl = {0387.32014},
     url = {http://geodesic.mathdoc.fr/item/CMH_1978__53_139745/}
}