@article{ZNSL_2015_440_a3,
     author = {V. N. Dubinin},
     title = {Distortion theorems for circumferentially mean $p$-valent functions},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {43--56},
     publisher = {mathdoc},
     volume = {440},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2015_440_a3/}
}