@article{RO_1974__8_1_57_0,
     author = {Rani, R. G.},
     title = {On the waiting time distribution of a cascade queueing process},
     journal = {Revue fran\c{c}aise d'automatique, informatique, recherche op\'erationnelle. Recherche op\'erationnelle},
     pages = {57--63},
     publisher = {EDP-Sciences},
     volume = {8},
     number = {V1},
     year = {1974},
     zbl = {0273.60074},
     language = {en},
     url = {http://archive.numdam.org/item/RO_1974__8_1_57_0/}
}