“The Cohomology of a Crystal.” Notes on Crystalline Cohomology. (MN-21), by Pierre Berthelot and Arthur Ogus, Princeton University Press, Princeton, New Jersey, 1978, pp. 7.1–7-35, www.jstor.org/stable/j.ctt130hk6f.10. Accessed 29 July 2021.
Berthelot, P., & Ogus, A. (1978). The Cohomology of a Crystal. In Notes on Crystalline Cohomology. (MN-21) (pp. 7.1-7-35). Princeton, New Jersey: Princeton University Press. Retrieved July 29, 2021, from http://www.jstor.org/stable/j.ctt130hk6f.10
Berthelot, Pierre, and Arthur Ogus. "The Cohomology of a Crystal." In Notes on Crystalline Cohomology. (MN-21), 7.1--35. Princeton, New Jersey: Princeton University Press, 1978. Accessed July 29, 2021. http://www.jstor.org/stable/j.ctt130hk6f.10.
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