13.M. A. El-Gebeily, Mathematical Sciences Department, King Fahd
University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
14.M. S. Gockenbach, Department of Mathematical Sciences, 319
Fisher Hall, Michigan Technological University, 1400 Townsend Drive,
Houghton, MI 49931-1295
15.H. Hashish, Department of Mathematics and Physics, Faculty of
Engineering, Mansoura University, Mansoura, Egypt
16.P. Kaur, Department of Mathematics, School of Basic and Ap-
plied Sciences, Guru Gobind Singh Indraprastha University, Kash-
mere Gate, Delhi 110006, India
17.A. A. Khan, Department of Mathematical Sciences, 319 Fisher Hall,
Michigan Technological University, 1400 Townsend Drive, Houghton,
MI 49931-1295
18.F. M. Khene, Research Institute, King Fahd University of Petroleum
& Minerals, Dhahran 31261, Saudi Arabia
19.J. Kumar, Department of Mathematics, Gurunanak Dev University,
Amritsar 143005, India
20.J. Li, 1 - Facult¶e de Pharmacie, 2 - Centre de Recherches Math¶emati-
ques, Universit¶e de Montr¶eal, C.P. 6128, Succ. Centre-ville, Montr¶eal,
Qu¶ebec, Canada H3C 3J7
21.P. Manchanda, Department of Mathematics, Gurunanak Dev Uni-
versity, Amritsar 143005, India
22.A. M. Al-Marzoug, Saudi Aramco, Dhahran 31311, Saudi Arabia
23.S. A. Messaoudi, Mathematical Sciences Department, King Fahd
University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
24.F. Nekka, 1 - Facult¶e de Pharmacie, 2 - Centre de Recherches
Math¶ematiques, Universit¶e de Montr¶eal, C.P. 6128, Succ. Centre-
ville, Montr¶eal, Qu¶ebec, Canada H3C 3J7
25.H. Neunzert, Fraunhofer Institute for Industrial Mathematics, Kai-
serslautern, Germany
26.O. Oguz,
_
Istanbul Commerce University, Faculty of Engineering and
Design,
_
Istanbul, Turkey
27.M. Rahmatullaev, The Institute of Nuclear Physics, Ulughbek
702132, Tashkent
xiv
© 2006 by Taylor & Francis Group, LLC