@article{10_14708_wm_v14i1_1977,
     author = {W. \.Zelazko},
     title = {W{\l}odzimierz {Mlak} {Wst\k{e}p} do teorii przestrzeni {Hilberta}},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 155--156},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {1972},
     doi = {10.14708/wm.v14i1.1977},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v14i1.1977/}
}