1. Generalized Schur numbers;Beutelspacher,1982
2. 3-color Schur numbers;Boza;Discrete Appl. Math.,2019
3. Monochromatic solutions to equations with unit fractions;Brown;Bull. Aust. Math. Soc.,1991
4. Rudiments of Ramsey Theory;Graham,2015
5. On partition regular systems of equations;Lefmann;J. Comb. Theory, Ser. A,1991