Christopher Bader, Arnaldo Moura. A Generalization of Ogden s Lemma. Journal of the ACM, 29(2):404-407, 1982. [doi]
@article{BaderM82, title = {A Generalization of Ogden s Lemma}, author = {Christopher Bader and Arnaldo Moura}, year = {1982}, doi = {10.1145/322307.322315}, url = {http://doi.acm.org/10.1145/322307.322315}, researchr = {https://researchr.org/publication/BaderM82}, cites = {0}, citedby = {0}, journal = {Journal of the ACM}, volume = {29}, number = {2}, pages = {404-407}, }