TY - JOUR AU - A. D. Rusakou TI - On nonsemiassociativity of polyadic operation $\eta_{s, \sigma, k}$ JO - Problemy fiziki, matematiki i tehniki PY - 2017 SP - 68 EP - 72 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PFMT_2017_1_a10/ LA - ru ID - PFMT_2017_1_a10 ER -