%0 Journal Article %A P. V. Il'in %T A generalization of Khinchin's inequalities to the case of quadratic forms %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1999 %P 1244-1245 %V 54 %N 6 %U http://geodesic.mathdoc.fr/item/RM_1999_54_6_a8/ %G en %F RM_1999_54_6_a8