1. . Numerical Analysis of Spectral Methods: Theory and Applications. SIAM–CBMS: Philadelphia, 1977.
2. , , . Spectral Methods in Fluid Dynamics. Springer: Berlin, 1987.
3. . Spectral method. In Handbook of Numerical Analysis, (eds), vol. 5 (Part 2). North-Holland: Amsterdam, 1997.
4. Estimates of Laguerre spectral projectors in Sobolev spaces. In Orthogonal Polynomials and their Applications, , (eds). Scientific Publishing: 1991; 263–266.