Giorgio Germano, Stefano Mazzanti. Closure Functions and General Iterates as Reflectors. Theoretical Computer Science, 82(2):215-252, 1991.
@article{GermanoM91:0, title = {Closure Functions and General Iterates as Reflectors}, author = {Giorgio Germano and Stefano Mazzanti}, year = {1991}, researchr = {https://researchr.org/publication/GermanoM91%3A0}, cites = {0}, citedby = {0}, journal = {Theoretical Computer Science}, volume = {82}, number = {2}, pages = {215-252}, }