@article{10_37236_12133,
     author = {Andrew Vince},
     title = {An extremal graph problem on a grid and an isoperimetric problem for polyominoes},
     journal = {The electronic journal of combinatorics},
     year = {2024},
     volume = {31},
     number = {2},
     doi = {10.37236/12133},
     zbl = {1536.05131},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/12133/}
}