@article{DAN_1976_229_3_a1,
     author = {Yu. M. Berezanskii},
     title = {On the expansion in simultaneous generalized eigenvectors of an arbitrary family of commuting normal operators},
     journal = {Doklady Akademii Nauk},
     pages = {531--533},
     publisher = {mathdoc},
     volume = {229},
     number = {3},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_229_3_a1/}
}