@article{IVM_1964_6_a11,
     author = {I. S. Kukles and M. Khasanova},
     title = {On the distribution of singularities of the first and second group},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {88--97},
     publisher = {mathdoc},
     number = {6},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1964_6_a11/}
}