@article{MM2_1970__2_154004,
     author = {Ulrich Mertins},
     title = {\"Uber kompakte {Operatoren} in lokalkonvexen {R\"aumen.}},
     journal = {Manuscripta mathematica},
     pages = {359--364},
     publisher = {mathdoc},
     volume = {2},
     year = {1970},
     zbl = {0191.41703},
     url = {http://geodesic.mathdoc.fr/item/MM2_1970__2_154004/}
}