TY  - JOUR
AU  - A. D. Yashin
TI  - Nishimura's formulas as one-place logical connectives in the elementary theory of Kripke models
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1984
SP  - 12
EP  - 15
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1984_5_a2/
LA  - ru
ID  - VMUMM_1984_5_a2
ER  -