K. John Gough. A new method of generating LL(1) lookahead sets. SIGPLAN Notices, 20(6):16-19, 1985. [doi]
@article{Gough85, title = {A new method of generating LL(1) lookahead sets}, author = {K. John Gough}, year = {1985}, doi = {10.1145/988336.988338}, url = {http://doi.acm.org/10.1145/988336.988338}, researchr = {https://researchr.org/publication/Gough85}, cites = {0}, citedby = {0}, journal = {SIGPLAN Notices}, volume = {20}, number = {6}, pages = {16-19}, }