@article{IVM_1959_6_a0,
     author = {L. A. Aksent'ev},
     title = {Elementary criteria for univalence in terms of boundary characteristics},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--8},
     publisher = {mathdoc},
     number = {6},
     year = {1959},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1959_6_a0/}
}