Cubic algorithm for global optimization with box and equality constraints and application to optimal allocation of resources. - Efim A. Galperin; Petr Yakovlevitch Ekel; J. G. Pereira Jr. (Math. Comput. Model., 2004)

Fuzzy set based multiobjective allocation of resources and its applications. - Petr Yakovlevitch Ekel; Carlos Augusto Paiva da Silva Martins; J. G. Pereira Jr.; Reinaldo M. Palhares; Luciane Neves Canha (Comput. Math. Appl., 2006)

On multicriteria decision making under conditions of uncertainty. - J. G. Pereira Jr.; Petr Yakovlevitch Ekel; Reinaldo M. Palhares; Roberta Oliveira Parreiras (Inf. Sci., 2015)