@article{CMUC_1980__21_3_a20,
     author = {Hu\v{s}ek, Miroslav and Kulpa, W{\l}adys{\l}aw},
     title = {Open images of orderable spaces},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     publisher = {mathdoc},
     volume = {21},
     number = {3},
     year = {1980},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1980__21_3_a20/}
}