Khalil Ghorbal, Andrew Sogokon, André Platzer. A hierarchy of proof rules for checking positive invariance of algebraic and semi-algebraic sets. Computer Languages, Systems \& Structures, 47:19-43, 2017. [doi]
@article{GhorbalSP17,
title = {A hierarchy of proof rules for checking positive invariance of algebraic and semi-algebraic sets},
author = {Khalil Ghorbal and Andrew Sogokon and André Platzer},
year = {2017},
doi = {10.1016/j.cl.2015.11.003},
url = {http://dx.doi.org/10.1016/j.cl.2015.11.003},
researchr = {https://researchr.org/publication/GhorbalSP17},
cites = {0},
citedby = {0},
journal = {Computer Languages, Systems \& Structures},
volume = {47},
pages = {19-43},
}