@article{10_14708_ma_v1i1_299,
     author = {Joanna Huk and J\'ozef {\L}ukaszewicz},
     title = {On cyclic queueing systems},
     journal = {Mathematica Applicanda},
     pages = { 85--104},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1973},
     doi = {10.14708/ma.v1i1.299},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v1i1.299/}
}