@article{10_14708_wm_v33i01_4697,
     author = {Z. Semadeni},
     title = {List do {Przewodnicz\k{a}cego} {Rady} {Naukowej} {Instytutu} {Filozofii} i {Socjologii} {PAN}},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 219--221},
     publisher = {mathdoc},
     volume = {33},
     number = {01},
     year = {1997},
     doi = {10.14708/wm.v33i01.4697},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v33i01.4697/}
}