@article{10_14708_cm_v3i1_5432,
     author = {S. Rolewicz},
     title = {O domkni\k{e}to\'sci rzutu podprzestrzeni w przestrzeniach {Banacha}},
     journal = {Commentationes Mathematicae},
     pages = { 143--145},
     year = {1959},
     volume = {3},
     number = {1},
     doi = {10.14708/cm.v3i1.5432},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v3i1.5432/}
}