1.
Kézdy AE, Snevily HS, White SC. Generalized Schur Numbers for $x_1 + x_2 + c = 3x_3$. Electron. J. Combin. [Internet]. 2009Aug.14 [cited 2026Mar.16];16(1):R105. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v16i1r105