@article{1181072449,
author = {Burton, T.A. and Hering, Roger H.},
title = {Liapunov Theory for Functional Differential Equations},
journal = {Rocky Mountain J. Math.},
volume = {24},
number = {1},
year = {1993},
pages = { 3-17},
language = {en},
url = {http://dml.mathdoc.fr/item/1181072449}
}
Burton, T.A.; Hering, Roger H. Liapunov Theory for Functional Differential Equations. Rocky Mountain J. Math., Tome 24 (1993) no. 1, pp. 3-17. http://gdmltest.u-ga.fr/item/1181072449/