%0 Journal Article %A A. A. Osinovskaya %T The restrictions of representations of special linear groups to subsystem subgroups of type $A_1\times A_1$ %J Trudy Instituta matematiki %D 2021 %P 176-188 %V 29 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMB_2021_29_1_a15/ %G en %F TIMB_2021_29_1_a15