A counter example to a recent result on the stability of non-linear systems.

Shah Muhammad Jacob van der Woude A counter example to a recent result on the stability of non-linear systems. 319-323 2009 26 IMA J. Math. Control & Information 3 http://dx.doi.org/10.1093/imamci/dnp015 db/journals/imamci/imamci26.html#MuhammadW09