@article{VMUMM_2006_1_a3,
     author = {O. D. Frolkina},
     title = {Estimation of the number of points of a preimage on the complement},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {17--25},
     year = {2006},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2006_1_a3/}
}