TY - JOUR AU - O. A. Ivanova TI - Linearly ordered rings which are not $o$-epimorphic images of ordered free rings JO - Matematičeskie zametki PY - 1971 SP - 693 EP - 697 VL - 9 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1971_9_6_a9/ LA - ru ID - MZM_1971_9_6_a9 ER -