TY  - JOUR
AU  - Zbigniew Lipecki
TI  - Semivariations of an additive function
 on a Boolean ring
JO  - Colloquium Mathematicum
PY  - 2009
SP  - 267
EP  - 279
VL  - 117
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm117-2-9/
DO  - 10.4064/cm117-2-9
LA  - en
ID  - 10_4064_cm117_2_9
ER  -