TY  - JOUR
AU  - A. D. Yashin
TI  - The semantic characterization of modal logical connectives
JO  - Matematičeskie zametki
PY  - 1986
SP  - 519
EP  - 526
VL  - 40
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1986_40_4_a9/
LA  - ru
ID  - MZM_1986_40_4_a9
ER  -