TY  - JOUR
AU  - Płuciennik, Ryszard
TI  - Continuity of superposition operators on $w_0$ and $W_0$
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1990
SP  - 529
EP  - 542
VL  - 31
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1990__31_3_a14/
LA  - en
ID  - CMUC_1990__31_3_a14
ER  -