@article{RO_1987__21_1_51_0,
     author = {Cherruault, Y. and Karpouzas, I.},
     title = {Une m\'ethode de r\'eduction des variables appliqu\'ee au contr\^ole optimal de syst\`emes gouvern\'es par des \'equations diff\'erentielles},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {51--64},
     publisher = {EDP-Sciences},
     volume = {21},
     number = {1},
     year = {1987},
     mrnumber = {887292},
     zbl = {0608.49025},
     language = {fr},
     url = {http://www.numdam.org/item/RO_1987__21_1_51_0/}
}