@article{CMUC_1974_15_1_a13,
     author = {Fri\v{c}, Roman},
     title = {Regularity and extension of mappings in sequential spaces},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {161--171},
     year = {1974},
     volume = {15},
     number = {1},
     mrnumber = {0339081},
     zbl = {0275.54019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1974_15_1_a13/}
}