@article{1183739403,
author = {Fischer, Patrick C.},
title = {Review: J. Hartmanis, J. E. Hopcroft, What Makes Some Language Theory Problems Undecidable},
journal = {J. Symbolic Logic},
volume = {40},
number = {1},
year = {1975},
pages = { 245-246},
language = {en},
url = {http://dml.mathdoc.fr/item/1183739403}
}
Fischer, Patrick C. Review: J. Hartmanis, J. E. Hopcroft, What Makes Some Language Theory Problems Undecidable. J. Symbolic Logic, Tome 40 (1975) no. 1, pp. 245-246. http://gdmltest.u-ga.fr/item/1183739403/