%0 Journal Article %A G. V. Martynov %T Computing the distribution functions of quadratic forms of normally distributed random variables %J Teoriâ veroâtnostej i ee primeneniâ %D 1975 %P 797-809 %V 20 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1975_20_4_a7/ %G ru %F TVP_1975_20_4_a7