@article{10_4064_sm228_1_6,
     author = {Kamil Szpojankowski},
     title = {On the {Lukacs} property for free random variables},
     journal = {Studia Mathematica},
     pages = {55--72},
     publisher = {mathdoc},
     volume = {228},
     number = {1},
     year = {2015},
     doi = {10.4064/sm228-1-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm228-1-6/}
}