TY  - JOUR
AU  - Janina Chodukowska
AU  - Zbigniew Marciniak
TI  - On solutions of functional equations determining subsemigroups of $L^1_4$
JO  - Colloquium Mathematicum
PY  - 2010
SP  - 181
EP  - 192
VL  - 119
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm119-2-2/
DO  - 10.4064/cm119-2-2
LA  - en
ID  - 10_4064_cm119_2_2
ER  -