@article{CMUC_1999__40_1_a10,
     author = {Barkhudaryan, Artur},
     title = {On a characterization of the unit interval in terms of clones},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {153--164},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {1999},
     mrnumber = {1715208},
     zbl = {1060.54512},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1999__40_1_a10/}
}