@article{CTGDC_2003__44_3_217_0,
     author = {Barkhudaryan, A. and El Bashir, R. and Trnkov\'a, V.},
     title = {Endofunctors of set and cardinalities},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {217--239},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {44},
     number = {3},
     year = {2003},
     mrnumber = {2003580},
     zbl = {1042.18001},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_2003__44_3_217_0/}
}