TY - JOUR AU - S. V. Rychkov TI - Abeiian test groups and their applications JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1982 SP - 137 EP - 138 VL - 37 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1982_37_4_a22/ LA - en ID - RM_1982_37_4_a22 ER -