@article{UZKU_2018_160_4_a14,
     author = {L. A. Xuan},
     title = {Harmonic mappings and finite valency of analytic functions},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {771--777},
     publisher = {mathdoc},
     volume = {160},
     number = {4},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2018_160_4_a14/}
}