The following publications are possibly variants of this publication:
- Three-coloring triangle-free graphs on surfaces IV. Bounding face sizes of 4-critical graphsZdenek Dvorák, Daniel Král', Robin Thomas 0001. jctb, 150:270-304, 2021. [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]
- Fine Structure of 4-Critical Triangle-Free Graphs III. General SurfacesZdenek Dvorák, Bernard Lidický. siamdm, 32(1):94-105, 2018. [doi]
- Fine Structure of 4-Critical Triangle-Free Graphs II. Planar Triangle-Free Graphs with Two Precolored 4-CyclesZdenek Dvorák, Bernard Lidický. siamdm, 31(2):865-874, 2017. [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]
- Irreducible 4-critical triangle-free toroidal graphsZdenek Dvorák, Jakub Pekárek. ejc, 88:103112, 2020. [doi]
- Characterization of 4-critical triangle-free toroidal graphsZdenek Dvorák, Jakub Pekárek. jctb, 154:336-369, 2022. [doi]
- Irreducible 4-critical triangle-free toroidal graphsZdenek Dvorák, Jakub Pekárek. endm, 61:383-389, 2017. [doi]