@article{10_21136_CMJ_1992_128311, author = {Hamhalter, Jan}, title = {Completeness and modular cross-symmetry in normed linear spaces}, journal = {Czechoslovak Mathematical Journal}, pages = {1--5}, publisher = {mathdoc}, volume = {42}, number = {1}, year = {1992}, doi = {10.21136/CMJ.1992.128311}, mrnumber = {1152161}, zbl = {0786.46027}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1992.128311/} }