@article{VMUMM_1999_2_a1,
     author = {A. A. Oblomkov},
     title = {Integrability of some quantum systems associated with the root system $B_2$},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {6--9},
     year = {1999},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1999_2_a1/}
}