@article{10_14708_wm_v34i01_4714,
     author = {J. J. Jadacki},
     title = {Jan {\'Sleszy\'nski}},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 83--97},
     publisher = {mathdoc},
     volume = {34},
     number = {01},
     year = {1998},
     doi = {10.14708/wm.v34i01.4714},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v34i01.4714/}
}