BibTex format
@inproceedings{Padoan:2016:10.1016/j.ifacol.2016.10.268,
author = {Padoan, A and Scarciotti, G and Astolfi, A},
doi = {10.1016/j.ifacol.2016.10.268},
pages = {826--831},
publisher = {Elsevier},
title = {A geometric characterisation of persistently exciting signals generated byautonomous systems},
url = {http://dx.doi.org/10.1016/j.ifacol.2016.10.268},
year = {2016}
}