%0 Journal Article %A E. B. Bagirov %T Low Estimate for Distributions of Quadratic Forms of Normally Distributed Random Variables %J Teoriâ veroâtnostej i ee primeneniâ %D 1987 %P 815-819 %V 32 %N 4 %U http://geodesic.mathdoc.fr/item/TVP_1987_32_4_a24/ %G ru %F TVP_1987_32_4_a24