Ortigueira, M., & Machado, J. A. T. (2015). What is a fractional derivative?
Chicago Style (17th ed.) CitationOrtigueira, Manuel, and J. A. Tenreiro Machado. What Is a Fractional Derivative? 2015.
MLA (8th ed.) CitationOrtigueira, Manuel, and J. A. Tenreiro Machado. What Is a Fractional Derivative? 2015.
Warning: These citations may not always be 100% accurate.