TY - JOUR AU - Chernikov, N.S. AU - Dovzhenko, S.A. TI - Groups all whose nonnormal subgroups generate a nontrivial proper subgroup. JO - Sibirskij Matematicheskij Zhurnal PY - 2006 SP - 211 VL - 47 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/SMZ_2006__47_1_53317/ LA - en ID - SMZ_2006__47_1_53317 ER -