@article{10_14708_ma_v3i5_1187,
     author = {I. Kopoci\'nska and B. Kopoci\'nski},
     title = {Imbedded {Markov} chains for certain extended queueing processes},
     journal = {Mathematica Applicanda},
     pages = { 103--127},
     year = {1975},
     volume = {3},
     number = {5},
     doi = {10.14708/ma.v3i5.1187},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v3i5.1187/}
}