@article{10_4064_ap_32_2_207_214,
     author = {M. Jab{\l}o\'nski},
     title = {On invariant measures for piecewise convex transformations},
     journal = {Annales Polonici Mathematici},
     pages = {207--214},
     publisher = {mathdoc},
     volume = {32},
     number = {2},
     year = {1976},
     doi = {10.4064/ap-32-2-207-214},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-32-2-207-214/}
}