TY - JOUR AU - W. Grabowski TI - Lexicographic and time minimization in the transportation problem JO - Applicationes Mathematicae PY - 1976 SP - 191 EP - 213 VL - 15 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am-15-2-191-213/ DO - 10.4064/am-15-2-191-213 LA - en ID - 10_4064_am_15_2_191_213 ER -