@article{MZ_1972__127_171757, author = {Ky Fan}, title = {On {Dilworth's} coding {Theorem.}}, journal = {Mathematische Zeitschrift}, pages = {92--94}, year = {1972}, volume = {127}, zbl = {0226.06001}, url = {http://geodesic.mathdoc.fr/item/MZ_1972__127_171757/} }