TY - JOUR AU - Lekkoksung, Nareupanat AU - Jampachon, Prakit TI - Idempotent Elements of Weak Projection Generalized Hypersubstitutions JO - Discussiones Mathematicae. General Algebra and Applications PY - 2018 SP - 99 EP - 114 VL - 38 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DMGAA_2018_38_1_a7/ LA - en ID - DMGAA_2018_38_1_a7 ER -