@article {124714,
	title = {Einstein Geometrization Philosophy and Differential Identities in PAP- Geometry},
	journal = {Advances in Mathematical Physics},
	volume = {2016},
	year = {2016},
	pages = {1-8},
	author = {Wanas, M.I. and N. L. Youssef and El Hanafy, W and Osman, S.N.}
}
