@article{10_1017_S0008439500029945,
     author = {Davis, Harry},
     title = {Notes on spectral theory, by {S.K.} {Berberian.} {D.} van {Nostrand} {Co.,} {Princeton,} {N.} {J.,} 1966. 118 pages. {U.S.} $2.50.},
     journal = {Canadian mathematical bulletin},
     pages = {98--98},
     year = {1969},
     volume = {12},
     number = {1},
     doi = {10.1017/S0008439500029945},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0008439500029945/}
}