@inproceedings{HKK+23,
  author        = {Takashi Horiyama and Tonan Kamata and Hironori Kiya and Hirotaka Ono and Takumi Shiota and Ryuhei Uehara and Yushi Uno},
  title         = {Critical Sets of n-omino Sudoku},
  booktitle     = {Proceedings of the 25th Indonesia-Japan Conference on Discrete and Computational Geometry, Graphs, and Games (IJCDCGGG 2023)},
  pages         = {88},
  year          = {2025}
}