%0 Journal Article %A A. A. Oblomkov %T Integrability of some quantum systems associated with the root system $B_2$ %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1999 %P 6-9 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1999_2_a1/ %G ru %F VMUMM_1999_2_a1