@article{ASENS_2016__49_2_325_0,
     author = {Achar, Pramod N. and Riche, Simon},
     title = {Modular perverse sheaves  on flag varieties {I:}  tilting and parity sheaves},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {325--370},
     publisher = {Soci\'et\'e Math\'ematique de France. Tous droits r\'eserv\'es},
     volume = {Ser. 4, 49},
     number = {2},
     year = {2016},
     doi = {10.24033/asens.2284},
     mrnumber = {3481352},
     zbl = {1386.14178},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/asens.2284/}
}