@article{IVM_2004_4_a1,
     author = {L. A. Aksent'ev},
     title = {Convexity of a surface of normal radius and estimates for the coefficients of a mapping function},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {8--15},
     publisher = {mathdoc},
     number = {4},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2004_4_a1/}
}