@article{DAN_1985_280_3_a5,
     author = {S. L. Krushkal'},
     title = {Differential operators and univalent functions},
     journal = {Doklady Akademii Nauk},
     pages = {541--544},
     publisher = {mathdoc},
     volume = {280},
     number = {3},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1985_280_3_a5/}
}