@article{MM2_1987__58_155223,
     author = {Manfred M\"oller},
     title = {Necessary conditions for normal solvability in duals of {LF-spaces.}},
     journal = {Manuscripta mathematica},
     pages = {283--294},
     publisher = {mathdoc},
     volume = {58},
     year = {1987},
     zbl = {0632.47008},
     url = {http://geodesic.mathdoc.fr/item/MM2_1987__58_155223/}
}