%0 Journal Article %A A. V. Arutyunov %T Erratum: ``Sign-definiteness of quadratic forms of the calculus of %J Doklady Akademii Nauk %D 1992 %P 182 %V 327 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1992_327_2_a10/ %G ru %F DAN_1992_327_2_a10