Howard Straubing. Languages Defined with Modular Counting Quantifiers. Inf. Comput., 166(2):112-132, 2001. [doi]
@article{Straubing01,
title = {Languages Defined with Modular Counting Quantifiers},
author = {Howard Straubing},
year = {2001},
doi = {10.1006/inco.2000.2923},
url = {http://dx.doi.org/10.1006/inco.2000.2923},
researchr = {https://researchr.org/publication/Straubing01},
cites = {0},
citedby = {0},
journal = {Inf. Comput.},
volume = {166},
number = {2},
pages = {112-132},
}