@article{10_4064_am_3_1_82_89,
     author = {R. Zuber},
     title = {Graficzne rozwi\k{a}zywanie r\'owna\'n r\'o\.zniczkowych zwyczajnych pierwszego rz\k{e}du},
     journal = {Applicationes Mathematicae},
     pages = {82--89},
     publisher = {mathdoc},
     volume = {3},
     number = {1},
     year = {1958},
     doi = {10.4064/am-3-1-82-89},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-3-1-82-89/}
}