@article{10_4064_cm108_1_1,
     author = {Ryszard Szwarc},
     title = {Tadek {Pytlik
in} my memories},
     journal = {Colloquium Mathematicum},
     pages = {1--6},
     publisher = {mathdoc},
     volume = {108},
     number = {1},
     year = {2007},
     doi = {10.4064/cm108-1-1},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm108-1-1/}
}