@inproceedings{DBLP:conf/stoc/HarjuK90,
author = {Tero Harju and
Juhani Karhum{\"a}ki},
title = {Decidability of the Multiplicity Equivalence of Multitape
Finite Automata},
booktitle = {STOC},
year = {1990},
pages = {477-481},
ee = {http://doi.acm.org/10.1145/100216.100281},
crossref = {DBLP:conf/stoc/STOC22},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
@proceedings{DBLP:conf/stoc/STOC22,
editor = {Harriet Ortiz},
title = {Proceedings of the 22nd Annual ACM Symposium on Theory of
Computing, May 13-17, 1990, Baltimore, Maryland, USA},
booktitle = {STOC},
publisher = {ACM},
year = {1990},
isbn = {0-89791-361-2},
bibsource = {DBLP, http://dblp.uni-trier.de}
}