LU Ancarani, JA Del Punta,
G Gasaneo - Journal of Mathematical …, 2017 - pubs.aip.org
The derivatives of eight Horn hypergeometric functions [four Appell F 1, F 2, F 3, and F 4,
and four (degenerate) confluent Φ 1, Φ 2, Ψ 1, and Ξ 1] with respect to their parameters …