@article{bwmeta1.element.desklight-12c9a00e-a1f2-4926-b54e-f70581d32bad,
author = {W. Nitka and L. Wiatrowska},
title = {Linearity in the Minkowski space with non-strictly convex spheres},
journal = {Colloquium Mathematicae},
volume = {20},
year = {1969},
pages = {113-115},
zbl = {0191.52701},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-12c9a00e-a1f2-4926-b54e-f70581d32bad}
}
W. Nitka; L. Wiatrowska. Linearity in the Minkowski space with non-strictly convex spheres. Colloquium Mathematicae, Tome 20 (1969) pp. 113-115. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-12c9a00e-a1f2-4926-b54e-f70581d32bad/