TY - JOUR AU - I. V. Kireev TI - Orthogonal projectors and systems of linear algebraic equations JO - Sibirskij žurnal vyčislitelʹnoj matematiki PY - 2020 SP - 315 EP - 324 VL - 23 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJVM_2020_23_3_a5/ LA - ru ID - SJVM_2020_23_3_a5 ER -