@article {koumboulis1998derivation,
	title = {On the derivation of the nonlinear discrete equations numerically integrating the Euler PDE},
	journal = {Discrete Dynamics in Nature and Society},
	volume = {2},
	number = {1},
	year = {1998},
	pages = {41{\textendash}51},
	publisher = {Hindawi Publishing Corporation},
	author = {Koumboulis, FN and Skarpetis and G., M. and Mertzios, BG}
}
