TY  - JOUR
AU  - Witzany, Jiří
TI  - Correspondence between interval $\pi$-equivalences and $Sd$-functions
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1989
SP  - 175
EP  - 187
VL  - 30
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1989__30_1_a20/
LA  - en
ID  - CMUC_1989__30_1_a20
ER  -