TY - JOUR AU - N. S. Romanovskii TI - Maximal subrings of the field $Q$ and maximal subgroups of the JO - Algebra i logika PY - 1967 SP - 75 EP - 82 VL - 6 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1967_6_4_a8/ LA - ru ID - AL_1967_6_4_a8 ER -