%0 Journal Article %A N. M. Vetchinkin %T Uniqueness of classes of positive quadratic forms, on which values of Hermite constants are reached for %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1980 %P 34-86 %V 152 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1980_152_a2/ %G ru %F TM_1980_152_a2