Tommi Lehtinen, Alexander Okhotin
On Equations over Sets of Numbers and their Limitations
DLT, 2011.
@article{DLT-J-2009-LehtinenO11,
author = "Tommi Lehtinen and Alexander Okhotin",
doi = "10.1142/S012905411100809X",
journal = "{International Journal of Foundations of Computer Science}",
number = 2,
pages = "377--393",
publisher = "{World Scientific}",
title = "{On Equations over Sets of Numbers and their Limitations}",
volume = 22,
year = 2011,
}