@article{10_14708_wm_v31i01_4546,
     author = {W. Wi\k{e}s{\l}aw},
     title = {O szyfrowaniu},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 45--53},
     publisher = {mathdoc},
     volume = {31},
     number = {01},
     year = {1995},
     doi = {10.14708/wm.v31i01.4546},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v31i01.4546/}
}