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Special issue: dedicated to the memory of Professor P. D. Panagiotopoulos
Staurulakēs, Geōrgios E., (2000)
Advances in discrete optimization
Sifaleras, Angelo, (2013)
Nondifferentiable optimization: motivations and applications : proceedings of an IIASA (Internat. Inst. for Applied Systems Analysis) Workshop on Nondifferentiable Optimization, held at Sopron, Hungary, September 17 - 22, 1984
Demʹjanov, Vladimir F., (1985)