@article{courtiel-2019-connected, title={Connected Chord Diagrams and Bridgeless Maps}, volume={26}, ISSN={1077-8926}, url={http://dx.doi.org/10.37236/7400}, DOI={10.37236/7400}, number={4}, journal={The Electronic Journal of Combinatorics}, publisher={The Electronic Journal of Combinatorics}, author={Courtiel, Julien and Yeats, Karen and Zeilberger, Noam}, year={2019}, month=Nov }