TY  - JOUR
AU  - L. A. Kogan
TI  - Vinogradov’s conjecture on the least quadratic nonresidue and representation of numbers by quadratic forms
JO  - Doklady Akademii Nauk
PY  - 1971
SP  - 1263
EP  - 1264
VL  - 198
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1971_198_6_a2/
LA  - ru
ID  - DAN_1971_198_6_a2
ER  -