TY - JOUR AU - A. M. Gal'mak TI - Permutability of elements in polyadic groupoids of special form JO - Problemy fiziki, matematiki i tehniki PY - 2018 SP - 70 EP - 75 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PFMT_2018_3_a11/ LA - ru ID - PFMT_2018_3_a11 ER -