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https://sabbiagallery.com/artwork/bla1_079/
bla1_079 - Sabbia
sabbia
https://functions.wolfram.com/HypergeometricFunctions/Hypergeometric2F1/03/12/21/11/0006/
Gauss hypergeometric function 2F1: Specific values (formula 07.23.03.bla1)
specific valuesgausshypergeometricfunction