A formula for a quartic integral: a survey of old proofs and some new ones

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/134415We discuss several existing proofs of the value of a quartic integral and present a new proof that evolved from rational Landen transformations.10 pagesClassical Analysis and ODEs33B99, 33F10A formula for a quartic integral: a survey of old proofs and some new onestext