@article{10_21136_CMJ_1992_128347,
     author = {Niederle, Josef},
     title = {On equalizers in the category of frames with weakly open homomorphisms},
     journal = {Czechoslovak Mathematical Journal},
     pages = {497--502},
     publisher = {mathdoc},
     volume = {42},
     number = {3},
     year = {1992},
     doi = {10.21136/CMJ.1992.128347},
     mrnumber = {1179313},
     zbl = {0791.06014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1992.128347/}
}