@article{IVM_2009_12_a12,
     author = {P. I. Troshin},
     title = {Systems of two iterated functions over skew field of quaternions},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {95--100},
     publisher = {mathdoc},
     number = {12},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2009_12_a12/}
}