@article{10_37236_2497, author = {Sandip Das and Mathew Francis and Pavol Hell and Jing Huang}, title = {Recognition and characterization of chronological interval digraphs}, journal = {The electronic journal of combinatorics}, year = {2013}, volume = {20}, number = {3}, doi = {10.37236/2497}, zbl = {1295.05161}, url = {http://geodesic.mathdoc.fr/articles/10.37236/2497/} }