@article{MASLO_1986__36_4_a7,
     author = {Balcerzak, Marek},
     title = {On the generalized property $(K)$},
     journal = {Mathematica slovaca},
     pages = {417--423},
     publisher = {mathdoc},
     volume = {36},
     number = {4},
     year = {1986},
     mrnumber = {871782},
     zbl = {0617.54014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1986__36_4_a7/}
}