TY - JOUR AU - Akhavan, Saeed TI - Convergence of Legendre and Chebyshev multiwavelets in Petrov-Galerkin method for solving Fredholm integro-differential equations of high orders JO - Journal of Simulation and Analysis of Novel Technologies in Mechanical Engineering VL - 13 IS - 3 SP - 33 EP - 42 PY - 2021 DO - ER -