The following publications are possibly variants of this publication:
- Three-coloring triangle-free graphs on surfaces II. 4-critical graphs in a diskZdenek Dvorák, Daniel Král', Robin Thomas 0001. JCT, 132:1-46, 2018. [doi]
- Three-coloring triangle-free graphs on surfaces III. Graphs of girth fiveZdenek Dvorák, Daniel Král', Robin Thomas 0001. jctb, 145:376-432, 2020. [doi]
- Three-coloring triangle-free graphs on surfaces VI. 3-colorability of quadrangulationsZdenek Dvorák 0001, Daniel Král', Robin Thomas 0001. jctb, 164:517-548, January 2024. [doi]
- Three-coloring triangle-free graphs on surfaces I. Extending a coloring to a disk with one triangleZdenek Dvorák, Daniel Král', Robin Thomas 0001. JCT, 120:1-17, 2016. [doi]