TY - JOUR AU - Beneš, Viktor TI - Extremal and optimal solutions in the transshipment problem JO - Commentationes Mathematicae Universitatis Carolinae PY - 1992 SP - 97 EP - 112 VL - 33 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1992__33_1_a11/ LA - en ID - CMUC_1992__33_1_a11 ER -