TY - JOUR AU - Yurii V. Zhuchok AU - Jörg Koppitz TI - Representations of ordered doppelsemigroups by~binary relations JO - Algebra and discrete mathematics PY - 2019 SP - 144 EP - 154 VL - 27 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ADM_2019_27_1_a12/ LA - en ID - ADM_2019_27_1_a12 ER -