Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1979_249_6_a0, author = {N. G. Ananov}, title = {Riemannian manifolds with boundary having mean curvature that is bounded below}, journal = {Doklady Akademii Nauk}, pages = {1289--1291}, publisher = {mathdoc}, volume = {249}, number = {6}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1979_249_6_a0/} }
N. G. Ananov. Riemannian manifolds with boundary having mean curvature that is bounded below. Doklady Akademii Nauk, Tome 249 (1979) no. 6, pp. 1289-1291. http://geodesic.mathdoc.fr/item/DAN_1979_249_6_a0/