TY  - JOUR
AU  - Navara, Mirko
TI  - Two-valued states on a concrete logic and the additivity problem
JO  - Mathematica slovaca
PY  - 1984
SP  - 329
EP  - 336
VL  - 34
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MASLO_1984__34_3_a11/
LA  - en
ID  - MASLO_1984__34_3_a11
ER  -