@article{10_4064_ap_40_1_39_45,
     author = {Giulio Pianigiani},
     title = {Existence of invariant measures for piecewise continuous transformations},
     journal = {Annales Polonici Mathematici},
     pages = {39--45},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {1981},
     doi = {10.4064/ap-40-1-39-45},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-40-1-39-45/}
}