by Zarrouki, R, Bouaouda, A, Chakir, H, Saidi, E H, Bennai, M
Published in Classical and quantum gravity (21.09.2011)

by Zarrouki, R., Sakhi, Z., Bennai, M.
Published in General relativity and gravitation (01.05.2011)

by Safsafi, A., Bouaouda, A., Zarrouki, R., Chakir, H., Bennai, M.
Published in International journal of theoretical physics (01.06.2012)

by Zarrouki, R, Bennai, M
Published in arXiv.org (05.12.2010)

by Zarrouki, R, Sakhi, Z, Bennai, M
Published in arXiv.org (31.10.2011)

by Zarrouki, R, Sakhi, Z, Bennai, M
Published in arXiv.org (27.10.2009)

by Bouaouda, A, Zarrouki, R, Chakir, H, Bennai, M
Published in arXiv.org (23.10.2010)