Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1960_3_a24, author = {Sh. I. Nanava}, title = {The representation of numbers by positive quadratic forms (asymptotic formulas)}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {219--229}, publisher = {mathdoc}, number = {3}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1960_3_a24/} }
Sh. I. Nanava. The representation of numbers by positive quadratic forms (asymptotic formulas). Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1960), pp. 219-229. http://geodesic.mathdoc.fr/item/IVM_1960_3_a24/