TY - JOUR AU - R. A. R. Monzo TI - Groupoids determined by involutive automorphisms on semilattices of groups JO - Novi Sad Journal of Mathematics PY - 2018 SP - 1 EP - 19 VL - 48 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.30755/NSJOM.03525/ DO - 10.30755/NSJOM.03525 ID - 10.30755/NSJOM.03525 ER -