In mathematics, Abel–Goncharov interpolation determines a polynomial such that various higher derivatives are the same as those of a given function at given points. It was introduced by Whittaker (1935) and rediscovered by Goncharov (1954).
References
Whittaker, J. M. (1935), Interpolatory function theory, Cambridge Tracts in Mathematics and Mathematical Physics, No. 33, Cambridge University Press, MR 0185330 Goncharov, V. L. (1954), Teoriya interpolirovaniya i približeniya funkcii (in Russian), Gosudarstv. Izdat. Tehn.-Teor. Lit., Moscow, MR 0067947