Mitchell Wand. A New Incompleteness Result for Hoare s System. Journal of the ACM, 25(1):168-175, 1978. [doi]
@article{Wand78, title = {A New Incompleteness Result for Hoare s System}, author = {Mitchell Wand}, year = {1978}, doi = {10.1145/322047.322062}, url = {http://doi.acm.org/10.1145/322047.322062}, researchr = {https://researchr.org/publication/Wand78}, cites = {0}, citedby = {0}, journal = {Journal of the ACM}, volume = {25}, number = {1}, pages = {168-175}, }