@article{10_1023_A_1022268627299,
     author = {Dragomir, S. S. and Koliha, J. J.},
     title = {Two mappings related to semi-inner products and their applications in geometry of normed linear spaces},
     journal = {Applications of Mathematics},
     pages = {337--355},
     publisher = {mathdoc},
     volume = {45},
     number = {5},
     year = {2000},
     doi = {10.1023/A:1022268627299},
     mrnumber = {1777019},
     zbl = {0996.46007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1023/A:1022268627299/}
}