%0 Journal Article %A I. V. Kireev %T Orthogonal projectors and systems of linear algebraic equations %J Sibirskij žurnal vyčislitelʹnoj matematiki %D 2020 %P 315-324 %V 23 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJVM_2020_23_3_a5/ %G ru %F SJVM_2020_23_3_a5