@article{10_4064_am_3_2_204_216,
     author = {J. {\L}ukaszewicz and W. Sadowski},
     title = {O por\'ownywaniu kilku populacji z populacj\k{a} kontroln\k{a}},
     journal = {Applicationes Mathematicae},
     pages = {204--216},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {1958},
     doi = {10.4064/am-3-2-204-216},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-3-2-204-216/}
}