@incollection{AST_1979__64__3_0,
     author = {Ogus, Arthur},
     title = {Supersingular $K3$ crystals},
     booktitle = {Journ\'ees de g\'eom\'etrie alg\'ebrique de Rennes - (Juillet 1978) (II) : Groupes formels, repr\'esentations galoisiennes et cohomologie des vari\'et\'es de caract\'eristique positive},
     series = {Ast\'erisque},
     pages = {3--86},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {64},
     year = {1979},
     mrnumber = {563467},
     zbl = {0435.14003},
     language = {en},
     url = {http://www.numdam.org/item/AST_1979__64__3_0/}
}