id	keyword
ejpam-6753	e −
ejpam-6753	∑τ µ=1(−
ejpam-6753	ñµ
ejpam-6753	τ ∑τ
ejpam-6753	− ln(1−e
ejpam-6753	ξ e
ejpam-6753	z)))ξ
ejpam-6753	z)))ξ)1
ejpam-6753	alsina
ejpam-6753	aczel