%0 Journal Article
%A Mejri, Imen
%A Haouari, Mohamed
%A Layeb, Safa Bhar
%A Mansour, Farah Zeghal
%T An exact approach for the multicommodity network optimization problem with a step cost function
%J RAIRO - Operations Research - Recherche Opérationnelle
%D 2019
%P 1279-1295
%V 53
%N 4
%I EDP-Sciences
%U http://www.numdam.org/articles/10.1051/ro/2019017/
%R 10.1051/ro/2019017
%G en
%F RO_2019__53_4_1279_0