TY  - JOUR
AU  - W. Waliszewski
TI  - On some operation on sets of mappings
JO  - Colloquium Mathematicum
PY  - 1971
SP  - 253
EP  - 257
VL  - 24
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-24-2-253-257/
DO  - 10.4064/cm-24-2-253-257
LA  - en
ID  - 10_4064_cm_24_2_253_257
ER  -