@article{KYB_1989__25_6_a4,
     author = {Dziech, Andrzej and Pach, Andrzej R.},
     title = {Bounds on the throughput of an unslotted {ALOHA} channel in the case of a heterogeneous users' population},
     journal = {Kybernetika},
     pages = {476--485},
     publisher = {mathdoc},
     volume = {25},
     number = {6},
     year = {1989},
     zbl = {0705.60103},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1989__25_6_a4/}
}