@article{MAN_1970__187_162025,
     author = {K.H. F\"ORSTER},
     title = {Relativ kompakte {Operatoren.}},
     journal = {Mathematische Annalen},
     pages = {300--304},
     publisher = {mathdoc},
     volume = {187},
     year = {1970},
     url = {http://geodesic.mathdoc.fr/item/MAN_1970__187_162025/}
}