@article{10_4064_cm_53_2_309_314,
     author = {K. Urbanik},
     title = {Remarks on joint distributions of observables},
     journal = {Colloquium Mathematicum},
     pages = {309--314},
     publisher = {mathdoc},
     volume = {53},
     number = {2},
     year = {1987},
     doi = {10.4064/cm-53-2-309-314},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-53-2-309-314/}
}