TY - JOUR AU - L. N. Shevrin TI - The lattice-subsemigroup characteristic of orderable groups JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1964 VL - 19 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1964_19_5_a10/ LA - ru ID - RM_1964_19_5_a10 ER -