Andrzej Blikle, Andrzej Tarlecki, Mikkel Thorup. On Conservative Extensions of Syntax in System Development. Theoretical Computer Science, 90(1):209-233, 1991.
@article{BlikleTT91, title = {On Conservative Extensions of Syntax in System Development}, author = {Andrzej Blikle and Andrzej Tarlecki and Mikkel Thorup}, year = {1991}, researchr = {https://researchr.org/publication/BlikleTT91}, cites = {0}, citedby = {0}, journal = {Theoretical Computer Science}, volume = {90}, number = {1}, pages = {209-233}, }