Keith L. Clark, Maarten H. van Emden. Consequence Verification of Flowcharts. IEEE Trans. Software Eng., 7(1):52-60, 1981.
@article{ClarkE81, title = {Consequence Verification of Flowcharts}, author = {Keith L. Clark and Maarten H. van Emden}, year = {1981}, researchr = {https://researchr.org/publication/ClarkE81}, cites = {0}, citedby = {0}, journal = {IEEE Trans. Software Eng.}, volume = {7}, number = {1}, pages = {52-60}, }