Meusel, Steffen G.; Burkard, Rainer E. - In: Mathematical Methods of Operations Research 50 (1999) 1, pp. 1-7
This paper deals with transportation problems whose demand vectors can be permuted. This additional freedom makes these problems ??-hard, even in the case that the cost matrix fulfills a Monge property. We outline some solution procedures based on good lower and upper bounds. Copyright...
