@article{10_4064_cm_5_1_103_115,
     author = {Hugo Steinhaus and S. Zubrzycki},
     title = {On the comparison of two production processes and the rule of dualism},
     journal = {Colloquium Mathematicum},
     pages = {103--115},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1957},
     doi = {10.4064/cm-5-1-103-115},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-5-1-103-115/}
}