@ARTICLE {3869,
author={D. Graça and N. Zhong and J. Buescu},
doi={},
journal={Transactions of the American Mathematical Society},
title={Computability, noncomputability and undecidability of maximal intervals of IVPs},
year={2009},
month={January},
volume={361},
number={6},
pages={2913-2927},
ISSN={0002-9947}
}