@article{10_4064_am_7_1_51_57,
     author = {B Kopoci\'nski},
     title = {On a model of a queue with delayed feedback},
     journal = {Applicationes Mathematicae},
     pages = {51--57},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {1963},
     doi = {10.4064/am-7-1-51-57},
     zbl = {0282.60066},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-7-1-51-57/}
}