2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/81339An hybrid iterative Tykhonov regularization approach with an accelerating algorithm is considered. This method is illustrated by two neutron spectrum unfoldings measured with a Bonner Sphere system.19 pages, work done at IRSNNuclear ExperimentMathematical PhysicsData Analysis, Statistics and Probabilitytext