Aaron Robertson, Daniel Schaal. Off-Diagonal Generalized Schur Numbers. Adv. Appl. Math., 26(3):252-257, 2001. [doi]
@article{RobertsonS01-1, title = {Off-Diagonal Generalized Schur Numbers}, author = {Aaron Robertson and Daniel Schaal}, year = {2001}, doi = {10.1006/aama.2000.0718}, url = {https://doi.org/10.1006/aama.2000.0718}, researchr = {https://researchr.org/publication/RobertsonS01-1}, cites = {0}, citedby = {0}, journal = {Adv. Appl. Math.}, volume = {26}, number = {3}, pages = {252-257}, }