@article{Khater2003,
title = {Invariant variational principles and conservation laws for some nonlinear
partial differential equations with variable coefficients part II},
author = {A. H. Khater and M. H. M. Moussa and S. F. Abdul-Aziz},
journal = {Chaos, Solitons \& Fractals},
month = {Jan},
number = {1},
pages = {1--13},
url = {http://www.sciencedirect.com/science/article/B6TJ4-45M0P2X-5/1/f0b5dad43bb5c1df9f4b98ffbe3cf626},
volume = {15},
year = {2003},
description = {Chaos, Solitons & Fractals},
keywords = {imported }
}
::