Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1991_49_2_a14, author = {S. Sh. Shushbaev}, title = {Voronoi neighborhood of the perfect form $K_7(x_1,\dots,x_7)$}, journal = {Matemati\v{c}eskie zametki}, pages = {124--132}, publisher = {mathdoc}, volume = {49}, number = {2}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1991_49_2_a14/} }
S. Sh. Shushbaev. Voronoi neighborhood of the perfect form $K_7(x_1,\dots,x_7)$. Matematičeskie zametki, Tome 49 (1991) no. 2, pp. 124-132. http://geodesic.mathdoc.fr/item/MZM_1991_49_2_a14/