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- Edmond Laguerre: Laguerre polynomials
- Gabriel Lamé: Lamé polynomial
- G. Lauricella Lauricella-Saran: Lauricella hypergeometric series
- Adrien-Marie Legendre: Legendre polynomials
- Eugen Cornelius Joseph von Lommel (1837–1899), physicist: Lommel polynomial, Lommel function, Lommel–Weber function
Read more about this topic: List Of Special Functions And Eponyms