@article{DBLP:journals/cas/Weinmann09,
author = {Alexander Weinmann},
title = {Spherical Uncertainties in Discrete-Time Systems},
journal = {Cybernetics and Systems},
volume = {40},
number = {1},
year = {2009},
pages = {25-32},
ee = {http://dx.doi.org/10.1080/01969720802493007},
bibsource = {DBLP, http://dblp.uni-trier.de}
}