1. The transportation problem and its variants;APPA G.M;Oper. Res. Quart.,1973
2. BABAYEV D. Mathematical model for optimal location of oil platforms and assignment of directed wells. Inst. of Cybernetics Acad. of Sci. SSR Baku. BABAYEV D. Mathematical model for optimal location of oil platforms and assignment of directed wells. Inst. of Cybernetics Acad. of Sci. SSR Baku.
3. On the generalized transportation problem;BALAS E.;Manage. Sci.,1964
4. BARR R. S. GLOVER F. AND KLINGMAN D. An improved version of the out-of-kilter method and a comparative study of computer codes. To appear in Math. Programming. BARR R. S. GLOVER F. AND KLINGMAN D. An improved version of the out-of-kilter method and a comparative study of computer codes. To appear in Math. Programming.
5. BENNINGTON G.E. An efficient minimal cost flow algorithm. Oper. l~es. Rep. 75 North Carolina State U. Raleigh N. C. June 1972. BENNINGTON G.E. An efficient minimal cost flow algorithm. Oper. l~es. Rep. 75 North Carolina State U. Raleigh N. C. June 1972.