@article{DBLP:journals/acta/FrancezP78,
author = {Nissim Francez and
Amir Pnueli},
title = {A Proof Method for Cyclic Programs},
journal = {Acta Inf.},
volume = {9},
year = {1978},
pages = {133-157},
ee = {http://dx.doi.org/10.1007/BF00289074},
bibsource = {DBLP, http://dblp.uni-trier.de}
}