TY - JOUR AU - Kramosil, Ivan TI - Statistical testing procedure for lengths of formalized proofs JO - Kybernetika PY - 1980 SP - EP - 224 VL - 16 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1980__16_3_a0/ LA - en ID - KYB_1980__16_3_a0 ER -