@Inproceedings{EPTCS333.5,
author = {Rom\'an, Mario},
year = {2021},
title = {Open Diagrams via Coend Calculus},
editor = {Spivak, David I. and Vicary, Jamie},
booktitle = {{\rm Proceedings of the 3rd Annual International}
Applied Category Theory Conference 2020,
{\rm Cambridge, USA, 6-10th July 2020}},
series = {Electronic Proceedings in Theoretical Computer Science},
volume = {333},
publisher = {Open Publishing Association},
pages = {65-78},
doi = {10.4204/EPTCS.333.5},
}