TY  - JOUR
AU  - Šindelář, Jan
TI  - Statistical theory of logical derivability
JO  - Kybernetika
PY  - 1980
SP  - 
EP  - 239
VL  - 16
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/KYB_1980__16_3_a1/
LA  - en
ID  - KYB_1980__16_3_a1
ER  -