@article{DBLP:journals/amc/GimenesF06,
author = {L. P. Gimenes and
M. Federson},
title = {Existence and impulsive stability for second order retarded
differential equations},
journal = {Applied Mathematics and Computation},
volume = {177},
number = {1},
year = {2006},
pages = {44-62},
ee = {http://dx.doi.org/10.1016/j.amc.2005.10.038},
bibsource = {DBLP, http://dblp.uni-trier.de}
}