@article{CMUC_1975_16_2_a4,
     author = {Fri\v{c}, Roman},
     title = {Extension of sequentially continuous mappings},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {273--276},
     year = {1975},
     volume = {16},
     number = {2},
     mrnumber = {0372809},
     zbl = {0305.54017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1975_16_2_a4/}
}