TY - JOUR AU - M. S. Burgin TI - Schreier varieties of linear $\Omega$-algebras JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1972 VL - 27 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1972_27_5_a11/ LA - ru ID - RM_1972_27_5_a11 ER -