1. R. Chapko, R. Kress, On the numerical solution of initial boundary value problems by the Laguerre transformation and boundary integral equations, in: Agarwal, O'Regan (Eds.), Integral and Integrodifferential Equations: Theory, Methods and Applications, Series in Mathematical Analysis and Applications, Vol. 2, Gordon and Breach, New York, 2000, pp. 55–69.
2. Mathematical Analysis and Numerical Methods for Science and Technology, Vol. 1, Physical Origins and Classical Methods;Dautray,1990
3. V. Galazyuk, R. Chapko, The Chebyshev–Laguerre transformation and integral equations methods for initial boundary value problems for the telegraph equation, Dokl. Akad. Nauk Ukraine SSR 8 (1990) 11–14 (in Russian).
4. On the linear theory of gravity waves: the theorem of existence and uniqueness;Garipov;Arch. Rational Mech. Anal.,1967
5. Explicit and approximate solutions of second-order evolution differential equations in Hilbert space;Gavrilyuk;Numer. Methods Partial Differential Equations,1999