Melvin Fitting. Enumeration Operators and Modular Logic Programming. Journal of Logic and Algebraic Programming, 4(1):11-21, 1987.
@article{Fitting87, title = {Enumeration Operators and Modular Logic Programming}, author = {Melvin Fitting}, year = {1987}, tags = {logic programming, programming, logic}, researchr = {https://researchr.org/publication/Fitting87}, cites = {0}, citedby = {0}, journal = {Journal of Logic and Algebraic Programming}, volume = {4}, number = {1}, pages = {11-21}, }