@article{AULFM_1989_03_a7,
     author = {Filipczak, Tomasz},
     title = {A {Note} on the {Recurrence} {Theorem}},
     journal = {Acta Universitatis Lodziensis. Folia Mathematica},
     year = {1989},
     volume = {03},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AULFM_1989_03_a7/}
}