@article{IM2_1969_3_6_a5,
     author = {V. P. Petrenko},
     title = {The study of the structure of the set of positive deviations of meromorphic {functions.~I}},
     journal = {Izvestiya. Mathematics },
     pages = {1251--1270},
     publisher = {mathdoc},
     volume = {3},
     number = {6},
     year = {1969},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1969_3_6_a5/}
}