@article{VMUMM_1995_2_a3,
     author = {M. A. Chebotar},
     title = {On the composition of derivations of prime rings},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {22--25},
     year = {1995},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1995_2_a3/}
}