Pavel Valtr. Davenport-Schinzel Trees. Combinatorica, 23(1):151-184, 2003. [doi]
@article{Valtr03, title = {Davenport-Schinzel Trees}, author = {Pavel Valtr}, year = {2003}, doi = {10.1007/s00493-003-0017}, url = {http://dx.doi.org/10.1007/s00493-003-0017}, researchr = {https://researchr.org/publication/Valtr03}, cites = {0}, citedby = {0}, journal = {Combinatorica}, volume = {23}, number = {1}, pages = {151-184}, }