@article{CMUC_1997__38_2_a14,
     author = {Banakh, T. and Pikhurko, O.},
     title = {On linear functorial operators extending pseudometrics},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {343--348},
     publisher = {mathdoc},
     volume = {38},
     number = {2},
     year = {1997},
     mrnumber = {1455501},
     zbl = {0886.54010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1997__38_2_a14/}
}