In 2003, Lee, Wang and Wen found a non-edge-magic simple connected cubic graph which satisfying the necessary condition of edge-magicness by using computer search. They asked for a mathematical proof. In this paper, we will provide such a proof.
Wai Chee Shiu. The Non-Edge-Magic Simple Connected Cubic Graph of Order 10[J], Journal of Combinatorial Mathematics and Combinatorial Computing, Volume 083. 225-241. DOI: .