Belaıdi, Benharrat; El Frissi, Abdallah; Lareuch, Zinelaâbidine
(J. Nonlinear Sci. Appl, 2012-01-01)
In this paper, we give some Jensen-type inequalities forφ:I→R, I= [α,β]⊂R,whereφis a continuousfunction onI,twice differentiable on ̊I= (α,β) and there existsm= infx∈ ̊Iφ′′(x) orM= supx∈ ̊Iφ′′(x).Furthermore, ...