@Book{1655069152, author="Messing, William", title="Crystals Associated to Barsotti-Tate Groups: with Applications to Abelian Schemes", series="SpringerLink B{\"u}cher", year="1972", publisher="Springer Berlin Heidelberg", address="Berlin, Heidelberg", keywords="Mathematics; Mathematics, general", abstract="Conventions -- Definitions and examples -- The relation between barsotti-tate and formal lie groups -- Divided powers, exponentials and crystals -- The crystals associated to barsotti-tate groups -- The deformation theory and applications.", note="edited by A. Dold, B. Eckmann", isbn="9783540374756", doi="10.1007/BFb0058301", url="https://swbplus.bsz-bw.de/bsz40464810xcov.jpg", url="https://doi.org/10.1007/BFb0058301", language="English" }