@article{MM2_1977__22_154476,
     author = {Ralf Hollstein},
     title = {\"Uber die {Tonneliertheit} von lokalkonvexen {Tensorprodukten.}},
     journal = {Manuscripta mathematica},
     pages = {7--12},
     year = {1977},
     volume = {22},
     zbl = {0359.46046},
     url = {http://geodesic.mathdoc.fr/item/MM2_1977__22_154476/}
}