TY  - JOUR
AU  - Tichý, Tomáš
AU  - Vinárek, Jiří
TI  - On the algebraic characterization of systems of $1-1$ partial mappings
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1972
SP  - 711
EP  - 720
VL  - 13
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1972__13_4_a9/
LA  - en
ID  - CMUC_1972__13_4_a9
ER  -