TY - JOUR AU - Kramosil, Ivan TI - Statistical approach to proof theory JO - Kybernetika PY - 1979 SP - 1,3 VL - 15 IS - Suppl PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1979__15_Suppl_a0/ LA - en ID - KYB_1979__15_Suppl_a0 ER -