@article{DBLP:journals/iandc/MayerS94,
author = {Alain J. Mayer and
Larry J. Stockmeyer},
title = {Word Problems-This Time with Interleaving},
journal = {Inf. Comput.},
volume = {115},
number = {2},
year = {1994},
pages = {293-311},
ee = {http://dx.doi.org/10.1006/inco.1994.1098},
bibsource = {DBLP, http://dblp.uni-trier.de}
}