The following publications are possibly variants of this publication:
- A Rainbow Erdös-Rothschild ProblemCarlos Hoppen, Hanno Lefmann, Knut Odermann. siamdm, 31(4):2647-2674, 2017. [doi]
- A rainbow Erdős-Rothschild problemCarlos Hoppen, Hanno Lefmann, Knut Odermann. endm, 49:473-480, 2015. [doi]
- An extension of the rainbow Erdős-Rothschild problemCarlos Hoppen, Hanno Lefmann, Denilson Nolibos. DM, 344(8):112443, 2021. [doi]