%0 Journal Article %A F. G. Avkhadiev %A L. A. Aksent'ev %T Achievements and problems in sufficient conditions for finite-valence of analytic functions %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1986 %P 3-16 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1986_10_a0/ %G ru %F IVM_1986_10_a0