TY  - JOUR
AU  - Zajíček, Luděk
AU  - Zelený, Miroslav
TI  - On the complexity of some $\sigma$-ideals of $\sigma$-P-porous sets
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 2003
SP  - 531
EP  - 554
VL  - 44
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_2003__44_3_a11/
LA  - en
ID  - CMUC_2003__44_3_a11
ER  -