TY - JOUR AU - Zdeněk Dvořák AU - Tom Kelly TI - Induced 2-degenerate subgraphs of triangle-free planar graphs JO - The electronic journal of combinatorics PY - 2018 VL - 25 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/7311/ DO - 10.37236/7311 ID - 10_37236_7311 ER -