**TOME 60 (108), no. 1, 2017****Bashir Ahmad, Ahmed Alsaedi, Shorog Aljoudi and Sotiris K. Ntouyas:**On a coupled system of sequential fractional differential equations with variable coefficients and coupled integral boundary conditions 3-18**Dorin Andrica, Vlad Crisan:**Applications of the class number one problem to Diophantine equations and divisibility problems , p. 19-24**Bin Zhang:**The upper bound of a class of ternary cyclotomic polynomials , p. 25-32**Junhong Dong, Ximin Liu:**Uniqueness of complete spacelike hypersurface in Lorentzian warped products, p. 33-49**Wang Xiaoying, Zhang Han:**A note on the Diophantine equation , p. 51-57**Esmail Hesameddini, Mostafa Khorramizadeh, Mehdi Shahbazi:**Bernstein polynomials method for solving Volterra-Fredholm integral equations, p. 59-68**Duangpen Jetpipattanapong, Gun Srijuntongsiri:**New Pivot Selection for Sparse Symmetric Indefinite Factorization, p. 69-77**Radu B. Munteanu:**Nonsingular automorphisms with AT flows, p. 79-89**Wenpeng Zhang and Tingting Wang:**Two identities involving the integral of the first kind Chebyshev polynomials, p. 91-98