@article{EJDE_2005__2005__a193,
     author = {Volkmer, Hans},
     title = {Eigenvalue problems of {Atkinson,} {Feller} and {Krein,} and their mutual relationship},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2005},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a193/}
}