@incollection{AST_1977__50__223_0,
     author = {Kwiatkowski, Jan and Maniakowski, Feliks},
     title = {On the transportation problem used in the definition of {Ornstein's} distance $\bar{d}$},
     booktitle = {Syst\`emes dynamiques II - Varsovie},
     series = {Ast\'erisque},
     pages = {223--238},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {50},
     year = {1977},
     mrnumber = {480940},
     zbl = {0377.28016},
     language = {en},
     url = {http://www.numdam.org/item/AST_1977__50__223_0/}
}