TY  - JOUR
AU  - A. V. Kuznetsov
TI  - Analogs of the ``Sheffer stroke'' in constructive logic
JO  - Doklady Akademii Nauk
PY  - 1965
SP  - 274
EP  - 277
VL  - 160
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1965_160_2_a5/
LA  - ru
ID  - DAN_1965_160_2_a5
ER  -