hal-00608574 title_s A simple variance inequality for U-statistics of a Markov chain with applications auteur Gersende Fort, Eric Moulines, Pierre Priouret, Pierre Vandekerkhove journal Statistics and Probability Letters volume 82 numero 6 pages 1193--1201 fichier_hal https://hal.archives-ouvertes.fr/hal-00608574/document annee 2012 Identifiant HAL 114821 54400 625565 81243