%0 Journal Article %A A. T. Gainov %T Semi-orthogonal sum of monocomposition algebras with identity %J Algebra i logika %D 1992 %P 391-406 %V 31 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1992_31_4_a3/ %G ru %F AL_1992_31_4_a3