%0 Journal Article %A E. L. Bashkirov %T On subgroup of the~special linear group of degree~2 over an~infinite field %J Sbornik. Mathematics %D 1996 %P 175-192 %V 187 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1996_187_2_a1/ %G en %F SM_1996_187_2_a1