1. Bakhtin A.E., Kolokolov A.A. and Korobkova Z.B., 1978. Discrete Problems of Production-Transportation Type, Nauka, Novosibirsk. (in Russian).
2. Chauhan S.S. and Proth J.-M., 2003. The concave cost supply problem. European Journal of Operational Research, 148(2), 374–383.
3. Garey M.R. and Johnson D.S., 1979. Computers and Intractability. A Guide to the Theory of NP-Completeness, W.H. Freeman and Company, San Francisco.
4. Hu T.C., 1970. Integer Programming and Network Flows, Addison-Wesley Pbl.
5. Kolokolov A.A., 1994. Decomposition algorithms for solving of some production-transportation problems. In: Preprints of Triennial Symposium on Transportation Analysis II., Vol. 1, Capri, Italy, 179–183.