@article{AUCMP_2000__41_2_a5,
     author = {Kulpa, W. and Socha, L. and Turza\'nski, M.},
     title = {Parametric extension of the {Poincar\'e} theorem},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {39--46},
     publisher = {mathdoc},
     volume = {41},
     number = {2},
     year = {2000},
     mrnumber = {1802333},
     zbl = {0973.26010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_2000__41_2_a5/}
}