@article{10_14708_wm_v32i01_4642,
     author = {R. Murawski},
     title = {Zygmunt {Ratajczyk} (1949-1994)},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 183--189},
     publisher = {mathdoc},
     volume = {32},
     number = {01},
     year = {1996},
     doi = {10.14708/wm.v32i01.4642},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v32i01.4642/}
}