@article{10_4153_CJM_1969_058_4,
     author = {Stampfli, J. G.},
     title = {Adjoint {Abelian} {Operators} on {Banach} {Space}},
     journal = {Canadian journal of mathematics},
     pages = {505--512},
     year = {1969},
     volume = {21},
     number = {1},
     doi = {10.4153/CJM-1969-058-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-058-4/}
}