@article{1250128929,
author = {Ridenhour, J.},
title = {Lyapunov-type functions for nth order ordinary differential equations},
journal = {Rocky Mountain J. Math.},
volume = {10},
number = {4},
year = {1980},
pages = { 387-400},
language = {en},
url = {http://dml.mathdoc.fr/item/1250128929}
}
Ridenhour, J. Lyapunov-type functions for nth order ordinary differential equations. Rocky Mountain J. Math., Tome 10 (1980) no. 4, pp. 387-400. http://gdmltest.u-ga.fr/item/1250128929/