Begell House作者,编辑及审稿者

D. Semmar

Department of Mechanics, University Saad Dahleb-Blida Route de Soumâa, BP 270, 09000 Blida-Algerie; and GREMI, UMR 6606, University of Orleans 14 rue d'Issoudun, BP 6744, 45067 Orléans Cedex 2