@article{10_37236_10055,
     author = {Radhika Gupta and Ivan Levcovitz and Alexander Margolis and Emily Stark},
     title = {Planar lattice subsets with minimal vertex boundary},
     journal = {The electronic journal of combinatorics},
     year = {2021},
     volume = {28},
     number = {3},
     doi = {10.37236/10055},
     zbl = {1473.05307},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/10055/}
}