@article{MZM_1997_61_5_a9,
     author = {D. V. Prokhorov},
     title = {The sum of coefficients of bounded univalent functions},
     journal = {Matemati\v{c}eskie zametki},
     pages = {728--733},
     publisher = {mathdoc},
     volume = {61},
     number = {5},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1997_61_5_a9/}
}