@article{10_4064_fm180_3_3,
     author = {K. Fr/aczek and M. Lema\'nczyk},
     title = {On symmetric logarithm and some old examples
 in smooth ergodic theory},
     journal = {Fundamenta Mathematicae},
     pages = {241--255},
     publisher = {mathdoc},
     volume = {180},
     number = {3},
     year = {2003},
     doi = {10.4064/fm180-3-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm180-3-3/}
}