@article{eftekhari_2015,  title={A Differential Quadrature Procedure with Regularization of the Dirac-delta Function for Numerical Solution of Moving Load Problem},  volume={12},  ISSN={1679-7825},  url={https://doi.org/10.1590/1679-78251417},  DOI={10.1590/1679-78251417},  number={7},  journal={Latin American Journal of Solids and Structures},  publisher={Individual owner},  author={Eftekhari, S. A.},  year={2015},  month={Jul},  pages={1241–1265} }