%0 Journal Article %A V. A. Iskovskikh %T A counterexample to the Hasse principle for a system of two quadratic forms in five variables %J Matematičeskie zametki %D 1971 %P 253-257 %V 10 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1971_10_3_a1/ %G ru %F MZM_1971_10_3_a1