Using direct method for solving variational problems via triangular orthogonal functions. - Esmail Babolian; Reza Mokhtari; M. Salmani (Appl. Math. Comput., 2007)

Using triangular orthogonal functions for solving Fredholm integral equations of the second kind. - Esmail Babolian; Hamid Reza Marzban; M. Salmani (Appl. Math. Comput., 2008)