%0 Journal Article %A Katz, Nicholas M. %T Internal reconstruction of unit-root $F$-crystals via expansion-coefficients. With an appendix by Luc Illusie %J Annales scientifiques de l'École Normale Supérieure %D 1985 %P 245-285 %V 18 %N 2 %I Elsevier %U http://www.numdam.org/articles/10.24033/asens.1490/ %R 10.24033/asens.1490 %G en %F ASENS_1985_4_18_2_245_0