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@article{TM_1997_218_a15, author = {L. A. Kogan}, title = {Representation of numbers by quadratic forms}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {248--261}, publisher = {mathdoc}, volume = {218}, year = {1997}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1997_218_a15/} }
L. A. Kogan. Representation of numbers by quadratic forms. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Analytic number theory and applications, Tome 218 (1997), pp. 248-261. http://geodesic.mathdoc.fr/item/TM_1997_218_a15/