@article{700111,
title = {Approximate trajectories and Lyapunov exponents for dynamical systems},
booktitle = {Equadiff 8},
series = {GDML\_Books},
publisher = {Mathematical Institute, Slovak Academy of Sciences},
address = {Bratislava},
year = {1994},
pages = {175-178},
mrnumber = {MR1298468},
zbl = {0809.58023},
url = {http://dml.mathdoc.fr/item/700111}
}
Pilyugin, Sergej Yu. Approximate trajectories and Lyapunov exponents for dynamical systems, dans Equadiff 8, GDML_Books, (1994), pp. 175-178. http://gdmltest.u-ga.fr/item/700111/