TY - JOUR AU - B. A. Pogorelov AU - M. A. Pudovkina TI - Orbital derivatives over subgroups and their combinatorial and group-theoretic properties JO - Diskretnaya Matematika PY - 2015 SP - 94 EP - 119 VL - 27 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DM_2015_27_4_a7/ LA - ru ID - DM_2015_27_4_a7 ER -