Ali Mousavi Mansour Esmaeilpour Amir Sheikhahmadi A new family of Polak-Ribière-Polyak conjugate gradient method for impulse noise removal. 17515-17524 2023 December 27 Soft Comput. 23 https://doi.org/10.1007/s00500-023-09232-3 db/journals/soco/soco27.html#MousaviES23