@article{VMUMM_1998_1_a0,
     author = {M. K. Potapov and G. N. Kazimirov},
     title = {On the coincidence of certain classes of functions},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {3--11},
     publisher = {mathdoc},
     number = {1},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1998_1_a0/}
}