Mikolaj Bojanczyk, Claire David, Anca Muscholl, Thomas Schwentick, Luc Segoufin. Two-variable logic on data words. ACM Trans. Comput. Log., 12(4):27, 2011. [doi]
@article{BojanczykDMSS11,
title = {Two-variable logic on data words},
author = {Mikolaj Bojanczyk and Claire David and Anca Muscholl and Thomas Schwentick and Luc Segoufin},
year = {2011},
doi = {10.1145/1970398.1970403},
url = {http://doi.acm.org/10.1145/1970398.1970403},
tags = {data-flow, logic},
researchr = {https://researchr.org/publication/BojanczykDMSS11},
cites = {0},
citedby = {0},
journal = {ACM Trans. Comput. Log.},
volume = {12},
number = {4},
pages = {27},
}