Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1969_188_5_a6, author = {V. K. Ionin}, title = {Riemannian spaces with {Euclidean} isoperimetric inequality}, journal = {Doklady Akademii Nauk}, pages = {990--992}, publisher = {mathdoc}, volume = {188}, number = {5}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1969_188_5_a6/} }
V. K. Ionin. Riemannian spaces with Euclidean isoperimetric inequality. Doklady Akademii Nauk, Tome 188 (1969) no. 5, pp. 990-992. http://geodesic.mathdoc.fr/item/DAN_1969_188_5_a6/