References
- Euler L., Observationes analyticae, Novi Comm. Acad. Sci. Petropolitanae, 11, 124–143 (1765/1767) reprinted in: Opera Omnia. Teubner, Leipzig, Series (1), Vol. 15, (1911) p. 54; see also http://eulerarchive.maa.org/docs/originals/E326.pdf
- Perelomov A. M., Euler’s triangle and the decomposition of tensor powers of adjoint representation of A1 Lie algebra, arXiv:1902.08065v1 [math.GM] (2019).
- Riordan J., An Introduction to Combinatorial Analysis, Reidel (1974).
- Weyl H., The Classical Groups. Their Invariants and Representations, Princeton (1939).