@article{10_4064_ba53_1_3,
     author = {Brunon Kami\'nski and Artur Siemaszko and Jerzy Szyma\'nski},
     title = {Extreme {Relations} for {Topological} {Flows}},
     journal = {Bulletin of the Polish Academy of Sciences. Mathematics},
     pages = {17--24},
     publisher = {mathdoc},
     volume = {53},
     number = {1},
     year = {2005},
     doi = {10.4064/ba53-1-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ba53-1-3/}
}