@article{IVM_1997_3_a8,
     author = {F. G. Avkhadiev and L. A. Aksent'ev and G. G. Bilchenko},
     title = {Classes of univalent and multivalent {Christoffel-Schwarz} integrals and their applications},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {64--67},
     publisher = {mathdoc},
     number = {3},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1997_3_a8/}
}