@article{MASLO_1977__27_4_a0,
     author = {Fri\v{c}, Roman},
     title = {On convergence spaces and groups},
     journal = {Mathematica slovaca},
     pages = {323--330},
     publisher = {mathdoc},
     volume = {27},
     number = {4},
     year = {1977},
     mrnumber = {536835},
     zbl = {0371.54006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1977__27_4_a0/}
}