TY - JOUR AU - Šebelík, Jan TI - Horn clause programs and recursive functions defined by systems of equations JO - Kybernetika PY - 1982 SP - 106 EP - 120 VL - 18 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1982__18_2_a1/ LA - en ID - KYB_1982__18_2_a1 ER -