@article{ITA_2015__49_1_1_0,
     author = {Kufleitner, Manfred and Walter, Tobias},
     title = {One quantifier alternation in first-order logic with modular predicates},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {1--22},
     publisher = {EDP-Sciences},
     volume = {49},
     number = {1},
     year = {2015},
     doi = {10.1051/ita/2014024},
     mrnumber = {3342170},
     zbl = {1339.03014},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ita/2014024/}
}