A smaller planar graph without 4-, 5-cycles and intersecting triangles that is not 3-choosable

Deqiang Wang, Yu-Peng Wen, Kelun Wang. A smaller planar graph without 4-, 5-cycles and intersecting triangles that is not 3-choosable. Inf. Process. Lett., 108(3):87-89, 2008. [doi]

Abstract

Abstract is missing.