%0 Journal Article %A Amine Amimour %A Karima Belaide %A Ouagnina Hili %T Minimum Hellinger distance estimates for a periodically time-varying long memory parameter %J Comptes Rendus. Mathématique %D 2022 %P 1153-1162 %V 360 %I Académie des sciences, Paris %R 10.5802/crmath.381 %G en %F CRMATH_2022__360_G10_1153_0