Entropy of topological directions
Annales de la Faculté des sciences de Toulouse : Mathématiques, Série 6, Tome 6 (1997) no. 1, pp. 59-75. 
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     title = {Entropy of topological directions},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {59--75},
     publisher = {Universit\'e Paul Sabatier. Facult\'e des sciences},
     address = {Toulouse},
     volume = {Ser. 6, 6},
     number = {1},
     year = {1997},
     mrnumber = {1473081},
     zbl = {0909.54014},
     language = {en},
     url = {http://www.numdam.org/item/AFST_1997_6_6_1_59_0/}
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Biś, Andrzej. Entropy of topological directions. Annales de la Faculté des sciences de Toulouse : Mathématiques, Série 6, Tome 6 (1997) no. 1, pp. 59-75. http://www.numdam.org/item/AFST_1997_6_6_1_59_0/

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