@article{DAN_1996_349_5_a2,
     author = {N. L. Vasilevski and E. Ramirez de Arel'yano and M. V. Shapiro},
     title = {The classical {Hurwitz} problem and the associated theory of
},
     journal = {Doklady Akademii Nauk},
     pages = {588--591},
     publisher = {mathdoc},
     volume = {349},
     number = {5},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1996_349_5_a2/}
}