%0 Journal Article %A Daniel W. Cranston %A Bernard Lidický %A Xiaonan Liu %A Abhinav Shantanam %T Planar Turán numbers of cycles: a counterexample %J The electronic journal of combinatorics %D 2022 %V 29 %N 3 %U http://geodesic.mathdoc.fr/articles/10.37236/10774/ %R 10.37236/10774 %F 10_37236_10774