@article{10_4064_am_5_1_119_139,
     author = {J. {\L}ukaszewicz and T. K. Nowakowski},
     title = {Obliczanie prawdopodobie\'nstwa jednojajowo\'sci czworaczk\'ow},
     journal = {Applicationes Mathematicae},
     pages = {119--139},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1960},
     doi = {10.4064/am-5-1-119-139},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-5-1-119-139/}
}