@article{10_14708_wm_v9i1_2265,
     author = {R. Bart{\l}omiejczyk},
     title = {O pewnym wyprowadzeniu warunk\'ow istnienia zmiennych},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 19--22},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {1966},
     doi = {10.14708/wm.v9i1.2265},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v9i1.2265/}
}