@article{CMUC_1988_29_3_a7,
     author = {Berger, Sergej M.},
     title = {On deductive varieties of locally convex spaces},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {465--475},
     year = {1988},
     volume = {29},
     number = {3},
     mrnumber = {972830},
     zbl = {0673.46051},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1988_29_3_a7/}
}