@article{10_21136_CMJ_1993_128381,
     author = {\v{S}lapal, Josef},
     title = {Relations and topologies},
     journal = {Czechoslovak Mathematical Journal},
     pages = {141--150},
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {1993},
     doi = {10.21136/CMJ.1993.128381},
     mrnumber = {1205237},
     zbl = {0797.04002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1993.128381/}
}