@article{GDZPPN002034328,
title = {Measuring uncertainty without a norm.},
journal = {Aequationes mathematicae},
volume = {26},
year = {1983},
pages = {74-82},
zbl = {0547.41029},
url = {http://dml.mathdoc.fr/item/GDZPPN002034328}
}
Werschulz, Arthur G. Measuring uncertainty without a norm.. Aequationes mathematicae, Tome 26 (1983) pp. 74-82. http://gdmltest.u-ga.fr/item/GDZPPN002034328/