Literature Cited
Yu. M. Ermol'ev and I. M. Mel'nik, Extremal Problems on Graphs [in Russian], Naukova Dumka, Kiev (1968).
I. M. Mel'nik, “Optimal nonhomogeneous flows in networks,” Candidate's Dissertation, Institute of Cybernetics, Academy of Sciences of the Ukrainian SSR, Kiev (1968).
I. M. Mel'nik, “Optimality conditions for a nonhomogeneous flow,” in: Theory of Optimal Solutions [in Russian], No. 2, Kiev (1967).
Ir. Dragan, “An optimality condition for minimal-cost multicommodity flows,” in: Mathematical Programming Activity Analysis, Amsterdam (1974).
Additional information
Translated from Kibernetika, No. 2, pp. 69–72, March–April, 1978.
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Mel'nik, I.M. A nonhomogeneous supply network problem. Cybern Syst Anal 14, 224–228 (1978). https://doi.org/10.1007/BF01069355
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DOI: https://doi.org/10.1007/BF01069355