@article{SMJ2_1999_25_1_a0,
     author = {Kalamidas, N.},
     title = {Some properties of g- and {P-spaces}},
     journal = {Serdica Mathematical Journal},
     pages = {1--4},
     year = {1999},
     volume = {25},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_1999_25_1_a0/}
}