TY - JOUR AU - Grechkoseeva, M.A. TI - On the difference between the spectra of the simple groups and . JO - Sibirskij Matematicheskij Zhurnal PY - 2007 SP - 89 VL - 48 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/SMZ_2007__48_1_55012/ LA - en ID - SMZ_2007__48_1_55012 ER -