Bibliographic reference:
\bibitem{Cousot-CRIN-80-P050-jul-1980}
P.~Cousot and R.~Cousot.
\newblock Reasoning about program invariance proof methods.
\newblock Research report CRIN-80-P050, Centre de Recherche en Informatique de Nancy (CRIN),
Institut National Polytechnique de Lorraine, Nancy, France, July 1980, 22p.
@TECHREPORT{CousotR-CRIN-80-P050-jul-1980,
author = {R.~Cousot},
title = {Reasoning about program invariance proof methods},
type = {{R}es{.} rep{.}},
number = {CRIN-80-P050},
institution = {Centre de Recherche en Informatique de Nancy (CRIN),
Institut National Polytechnique de Lorraine},
address = {Nancy, France},
pages = 22,
month = jul,
year = 1980,
}