@article{STUMA_1995__112_2_216141,
     author = {G. Greiner and W. Ricker},
     title = {Commutativity of compact selfadjoint operators},
     journal = {Studia Mathematica},
     pages = {109},
     publisher = {mathdoc},
     volume = {112},
     number = {2},
     year = {1995},
     zbl = {0817.47004},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/STUMA_1995__112_2_216141/}
}