@article{DM_2015_27_4_a7,
     author = {B. A. Pogorelov and M. A. Pudovkina},
     title = {Orbital derivatives over subgroups and their combinatorial and group-theoretic properties},
     journal = {Diskretnaya Matematika},
     pages = {94--119},
     year = {2015},
     volume = {27},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2015_27_4_a7/}
}