%0 Journal Article %A Kh. D. Ikramov %T Some methods of using symmetry to reduce the order of linearly-algebraic problems %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1981 %P 769-772 %V 21 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1981_21_3_a23/ %G ru %F ZVMMF_1981_21_3_a23