@article{10_14708_ma_v10i19_1532,
     author = {Szczepan Perz and Leszek Zaremba},
     title = {The theorems of {Koenig} and {Birkhoff} and their connection with the minimization of the duration time of the measurements of automatic telecommunication channels},
     journal = {Mathematica Applicanda},
     pages = { 43--50},
     publisher = {mathdoc},
     volume = {10},
     number = {19},
     year = {1982},
     doi = {10.14708/ma.v10i19.1532},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v10i19.1532/}
}