Mittal, Shiva, Nadya A.S. Atlouba, and Ajit Paul. “Nonuniform Multiwavelet Packets Associated With Nonuniform Multiresolution Analysis With Multiplicity D”. Journal of Progressive Research in Mathematics 3, no. 3 (May 3, 2015): 192-202. Accessed February 23, 2025. http://scitecresearch.com/journals/index.php/jprm/article/view/118.