@article{IVM_1988_10_a13,
     author = {M. M. Elin},
     title = {Generalization of the {Hurwitz} composition},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {74--76},
     publisher = {mathdoc},
     number = {10},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1988_10_a13/}
}