TY - JOUR AU - Predrag V. Krtolica AU - Predrag S. Stanimirović TI - Symbolic Derivation Without Using Expression Trees JO - Yugoslav journal of operations research PY - 2001 SP - 61 VL - 11 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/YJOR_2001_11_1_a4/ LA - en ID - YJOR_2001_11_1_a4 ER -