@article{DBLP:journals/jsc/Belinfante03,
author = {Johan G. F. Belinfante},
title = {Computer proofs about finite and regular sets: the unifying
concept of subvariance},
journal = {J. Symb. Comput.},
volume = {36},
number = {1-2},
year = {2003},
pages = {271-285},
ee = {http://dx.doi.org/10.1016/S0747-7171(03)00023-3},
bibsource = {DBLP, http://dblp.uni-trier.de}
}