TY - JOUR AU - A. V. Shchegolev TI - Overgroups of elementary block-diagonal subgroups in the classical symplectic group over an arbitrary commutative ring JO - Algebra i analiz PY - 2018 SP - 147 EP - 199 VL - 30 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_2018_30_6_a4/ LA - ru ID - AA_2018_30_6_a4 ER -