%0 Journal Article %A Ya. N. Nuzhin %A A. V. Stepanov %T Subgroups of Chevalley groups of types $ B_l$ and $ C_l$ containing the group over a subring, and corresponding carpets %J Algebra i analiz %D 2019 %P 198-224 %V 31 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2019_31_4_a5/ %G ru %F AA_2019_31_4_a5