@article{10_4064_am_19_3_4_557_567,
     author = {Z. Romanowicz},
     title = {Geometric structure of positive bases in linear spaces},
     journal = {Applicationes Mathematicae},
     pages = {557--567},
     publisher = {mathdoc},
     volume = {19},
     number = {3-4},
     year = {1987},
     doi = {10.4064/am-19-3-4-557-567},
     zbl = {0725.15002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-19-3-4-557-567/}
}