@article{NUMA_1968__11_131820,
     author = {T. YAMAMOTO},
     title = {On the {Eigenvalues} of {Compact} {Operators} in a {Hubert} {Space.}},
     journal = {Numerische Mathematik},
     pages = {211--219},
     publisher = {mathdoc},
     volume = {11},
     year = {1968},
     zbl = {0159.19703},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1968__11_131820/}
}