@article{10_4064_am_7_3_317_321,
     author = {B. Kopoci\'nski and L. Zubrzycka},
     title = {Uwaga o podziale zespo{\l}u cech na podzespo{\l}y zgodne},
     journal = {Applicationes Mathematicae},
     pages = {317--321},
     publisher = {mathdoc},
     volume = {7},
     number = {3},
     year = {1963},
     doi = {10.4064/am-7-3-317-321},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-7-3-317-321/}
}