Samarskii, A.A. Difference schemes with operator factors. A.A.Samarskii, P.P. Matus and P.N. Vabishchevich. - Boston: Kluwer Academic, 2002. - x, 384p. Subjects--Index Terms: Differnce equations . Schemes. Stability. Universal Decimal Class. No.: 517.962.2 / SAM