@article{MAN_1983__262_163710,
     author = {Albrecht Pietsch},
     title = {Eigenvalues of {Integral} {Operators.} {II.}},
     journal = {Mathematische Annalen},
     pages = {343--376},
     publisher = {mathdoc},
     volume = {262},
     year = {1983},
     zbl = {0488.47025},
     url = {http://geodesic.mathdoc.fr/item/MAN_1983__262_163710/}
}