%0 Journal Article %A Takács, Lajos %T A queuing model with feedback %J RAIRO - Operations Research - Recherche Opérationnelle %D 1977 %P 345-354 %V 11 %N 4 %I EDP-Sciences %U http://www.numdam.org/item/RO_1977__11_4_345_0/ %G en %F RO_1977__11_4_345_0