The Legendre wavelets operational matrix of integration. - Mohsen Razzaghi; S. Yousefi (Int. J. Syst. Sci., 2001)

Sine-cosine wavelets operational matrix of integration and its applications in the calculus of variations. - Mohsen Razzaghi; S. Yousefi (Int. J. Syst. Sci., 2002)

Applications of complete residue set in digital image watermarking. - S. Yousefi; Mohammad Hosein Sedaaghi; G. Karami (SIP, 2005)

Legendre wavelets method for the nonlinear Volterra-Fredholm integral equations. - S. Yousefi; Mohsen Razzaghi (Math. Comput. Simul., 2005)

Numerical solution of Fredholm integral equations by using CAS wavelets. - S. Yousefi; A. Banifatemi (Appl. Math. Comput., 2006)