@article{10_4064_am_5_2_141_148,
     author = {T. Kaczorek},
     title = {O macierzach, kt\'orych macierze odwrotne maj\k{a} elementy dodatnie},
     journal = {Applicationes Mathematicae},
     pages = {141--148},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {1960},
     doi = {10.4064/am-5-2-141-148},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-5-2-141-148/}
}