@article{CMUC_1994__35_4_a18,
     author = {Makuchowski, W{\l}adys{\l}aw},
     title = {On open light mappings},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {779--788},
     publisher = {mathdoc},
     volume = {35},
     number = {4},
     year = {1994},
     mrnumber = {1321248},
     zbl = {0830.54014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1994__35_4_a18/}
}