Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1986_291_1_a7, author = {S. S. Ryshkov and M. Kh. Umarov}, title = {Minimization of a higher-dimensional $\zeta$-function}, journal = {Doklady Akademii Nauk}, pages = {36--40}, publisher = {mathdoc}, volume = {291}, number = {1}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1986_291_1_a7/} }
S. S. Ryshkov; M. Kh. Umarov. Minimization of a higher-dimensional $\zeta$-function. Doklady Akademii Nauk, Tome 291 (1986) no. 1, pp. 36-40. http://geodesic.mathdoc.fr/item/DAN_1986_291_1_a7/