@article{10_4064_sm_78_3_217_230,
     author = {Jan Niechwiej},
     title = {On commutative algebras of unbounded operators},
     journal = {Studia Mathematica},
     pages = {217--230},
     publisher = {mathdoc},
     volume = {78},
     number = {3},
     year = {1984},
     doi = {10.4064/sm-78-3-217-230},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-78-3-217-230/}
}