@article{CMUC_1992__33_2_a15,
     author = {Schwarz, Friedhelm and Weck-Schwarz, Sibylle},
     title = {On hereditary and product-stable quotient maps},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {345--352},
     publisher = {mathdoc},
     volume = {33},
     number = {2},
     year = {1992},
     mrnumber = {1189666},
     zbl = {0795.18001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1992__33_2_a15/}
}