@article{RO_1989__23_2_151_0,
     author = {Lerman, Isra\"el-C\'esar},
     title = {Formules de r\'eactualisation en cas d'agr\'egations multiples},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {151--163},
     publisher = {EDP-Sciences},
     volume = {23},
     number = {2},
     year = {1989},
     mrnumber = {1016137},
     zbl = {0674.62042},
     language = {fr},
     url = {http://www.numdam.org/item/RO_1989__23_2_151_0/}
}