The following publications are possibly variants of this publication:
- Minor obstructions for apex-pseudoforestsAlexandros Leivaditis, Alexandros Singh, Giannos Stamoulis, Dimitrios M. Thilikos, Konstantinos Tsatsanis. DM, 344(10):112529, 2021. [doi]
- Minor-obstructions for apex sub-unicyclic graphsAlexandros Leivaditis, Alexandros Singh, Giannos Stamoulis, Dimitrios M. Thilikos, Konstantinos Tsatsanis, Vasiliki Velona. DAM, 284:538-555, 2020. [doi]