%0 Journal Article %A Ya. N. Nuzhin %T Groups lying between Steinberg groups over non-perfect fields of characteristics~2 and~3 %J Trudy Instituta matematiki i mehaniki %D 2013 %P 244-250 %V 19 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2013_19_3_a24/ %G ru %F TIMM_2013_19_3_a24