TY - JOUR AU - S. Alagić TI - On proofs of correctness of well-structured programs JO - Matematički vesnik PY - 1977 SP - 251 VL - 29 IS - 1 UR - http://geodesic.mathdoc.fr/item/MV_1977_29_1_a28/ ID - MV_1977_29_1_a28 ER -