@article{10_4064_sm8662_9_2016,
     author = {Pham Le Hung},
     title = {A short self-contained proof of the {Commutation} {Theorem}},
     journal = {Studia Mathematica},
     pages = {195--200},
     publisher = {mathdoc},
     volume = {237},
     number = {2},
     year = {2017},
     doi = {10.4064/sm8662-9-2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm8662-9-2016/}
}