@article{IVM_2016_11_a6,
     author = {F. G. Avkhadiev and R. G. Nasibullin and I. K. Shafigullin},
     title = {Becker type univalence conditions for harmonic mappings},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {80--85},
     publisher = {mathdoc},
     number = {11},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2016_11_a6/}
}