@article{MAN_1966__165_161417,
     author = {H.H. SCHAEFER},
     title = {Eine {Klasse} irreduzibler positiver {Operatoren.}},
     journal = {Mathematische Annalen},
     pages = {26--30},
     publisher = {mathdoc},
     volume = {165},
     year = {1966},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1966__165_161417/}
}