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References
- ↑ "Shapiro, Louis W." Virtual International Authority File.
- ↑ "People | Howard University Department of Mathematics". mathematics.howard.edu.
- ↑ "Louis Welles Shapiro". Math Genealogy Project.
- ↑ Louis W. Shapiro, Seyoum Getu, Wen-Jin Woan, Leon C. Woodson, The Riordan group, Discrete Applied Mathematics, Volume 34, Issues 1–3, 1991, pages 229–239, ISSN 0166-218X, https://doi.org/10.1016/0166-218X(91)90088-E.
- ↑ "6th International Conference on Riordan Arrays and Related Topics". 6th International Conference on Riordan Arrays and Related Topics.
- ↑ "5th International Conference on Riordan Arrays and Related Topics". 5th International Conference on Riordan Arrays and Related Topics.
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