@article{10_4064_cm_23_2_309_321,
     author = {Paul Tur\'an},
     title = {Stanis{\l}aw {Knapowski} (19 {V} 193 - 28 {IX} 1967)},
     journal = {Colloquium Mathematicum},
     pages = {309--321},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1971},
     doi = {10.4064/cm-23-2-309-321},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-23-2-309-321/}
}