@article{10_1017_S0017089500006534,
     author = {Ricker, W.},
     title = {Spectral operators and weakly compact homomorphisms in a class of {Banach} {Spaces}},
     journal = {Glasgow mathematical journal},
     pages = {215--222},
     year = {1986},
     volume = {28},
     number = {2},
     doi = {10.1017/S0017089500006534},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500006534/}
}