@article{MAN_1965__162_161345,
     author = {W.A.J. LUXEMBURG and A.C. ZAANEN},
     title = {Some {Examples} of {Normed} {K\"othe} {Spaces.}},
     journal = {Mathematische Annalen},
     pages = {337--350},
     publisher = {mathdoc},
     volume = {162},
     year = {1965},
     zbl = {0132.35002},
     url = {http://geodesic.mathdoc.fr/item/MAN_1965__162_161345/}
}