@article{DM_2014_26_1_a8,
     author = {B. A. Pogorelov and M. A. Pudovkina},
     title = {On the distance from permutations to the union of all imprimitive groups with identical parameters of imprimitivity systems},
     journal = {Diskretnaya Matematika},
     pages = {103--117},
     publisher = {mathdoc},
     volume = {26},
     number = {1},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2014_26_1_a8/}
}