Toufik Mansour. The Perimeter and Site-Perimeter of Set Partitions. Electr. J. Comb., 26(2):2, 2019. [doi]
@article{Mansour19, title = {The Perimeter and Site-Perimeter of Set Partitions}, author = {Toufik Mansour}, year = {2019}, url = {https://www.combinatorics.org/ojs/index.php/eljc/article/view/v26i2p30}, researchr = {https://researchr.org/publication/Mansour19}, cites = {0}, citedby = {0}, journal = {Electr. J. Comb.}, volume = {26}, number = {2}, pages = {2}, }