1. Flows in Networks;Ford,1962
2. Integer Programming and Network Flows;Hu,1970
3. Solution for a problem on multicommodity network flows;Cherkasski;Ekonomika i Matem. Metody,1977
4. On multiterminal multicommodity flow problems;Cherkasski,1976
5. Algorithms for Flows in Networks;Adelson-Velski,1975