@article{10_14708_wm_v12i1_2049,
     author = {Z. Pawlak},
     title = {Maszyny matematyczne},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 109--114},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {1969},
     doi = {10.14708/wm.v12i1.2049},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v12i1.2049/}
}