WASET
Zhou, L. , Bao, L. , Lin, Y. , Wei, Y. , Wu, Q.. "Restarted Generalized Second-Order Krylov Subspace Methods for Solving Quadratic Eigenvalue Problems". World Academy of Science, Engineering and Technology, Open Science Index 43, International Journal of Mathematical and Computational Sciences (2010), 4(7), 997 - 1004.