@article{IVM_1990_8_a1,
     author = {A. Yu. Vasil'ev and S. I. Fedorov},
     title = {Application of the method of moduli in an extremal problem of conformal mapping},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {13--22},
     publisher = {mathdoc},
     number = {8},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1990_8_a1/}
}