@article{10_14708_wm_v31i01_4558,
     author = {Stanis{\l}awHartma Stanis{\l}awHartman},
     title = {dokumenty},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 140--142},
     publisher = {mathdoc},
     volume = {31},
     number = {01},
     year = {1995},
     doi = {10.14708/wm.v31i01.4558},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v31i01.4558/}
}