TY  - JOUR
AU  - Danuta Borowska
AU  - Jerzy Grzybowski
TI  - Minkowski difference and Sallee elements in an ordered semigroup
JO  - Commentationes Mathematicae
PY  - 2007
SP  -  77
EP  - 83
VL  - 47
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/cm.v47i1.5239/
DO  - 10.14708/cm.v47i1.5239
LA  - pl
ID  - 10_14708_cm_v47i1_5239
ER  -