@article{10_21136_CPMF_1949_123050,
     author = {\'Slebodzi\'nski, Wladyslaw},
     title = {Z zagadnie\'n wsp\'o{\l}czesnej geometrii r\'o\.zniczkowej},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {117--122},
     publisher = {mathdoc},
     volume = {74},
     number = {2},
     year = {1949},
     doi = {10.21136/CPMF.1949.123050},
     zbl = {0038.34503},
     language = {po},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1949.123050/}
}