@article{10_4064_fm198_2_3,
     author = {Roland Zweim\"uller},
     title = {Waiting for long excursions and close visits
 to neutral fixed points of null-recurrent ergodic maps},
     journal = {Fundamenta Mathematicae},
     pages = {125--138},
     publisher = {mathdoc},
     volume = {198},
     number = {2},
     year = {2008},
     doi = {10.4064/fm198-2-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm198-2-3/}
}