Alain J. Mayer, Larry J. Stockmeyer. Word Problems-This Time with Interleaving. Inf. Comput., 115(2):293-311, December 1994.
@article{MayerS94,
title = {Word Problems-This Time with Interleaving},
author = {Alain J. Mayer and Larry J. Stockmeyer},
year = {1994},
month = {December},
researchr = {https://researchr.org/publication/MayerS94},
cites = {0},
citedby = {0},
journal = {Inf. Comput.},
volume = {115},
number = {2},
pages = {293-311},
}