%0 Journal Article %A I. V. Ostrovskii %T An estimate for the defect of a~meromorphic function for which two values are distributed inside a~certain angle %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1960 %P 138-148 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1960_2_a15/ %G ru %F IVM_1960_2_a15