TY  - JOUR
AU  - Kepka, Tomáš
AU  - Trch, Milan
TI  - Groupoids and the associative law II. (Groupoids with small semigroup distance)
JO  - Acta Universitatis Carolinae. Mathematica et Physica
PY  - 1993
SP  - 67
EP  - 83
VL  - 34
IS  - 1
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/item/AUCMP_1993__34_1_a2/
LA  - en
ID  - AUCMP_1993__34_1_a2
ER  -