@article{1183733466,
author = {Dunham, B. and Fridshal, R.},
title = {The Problem of Simplifying Logical Expressions},
journal = {J. Symbolic Logic},
volume = {24},
number = {1},
year = {1959},
pages = { 17-19},
language = {en},
url = {http://dml.mathdoc.fr/item/1183733466}
}
Dunham, B.; Fridshal, R. The Problem of Simplifying Logical Expressions. J. Symbolic Logic, Tome 24 (1959) no. 1, pp. 17-19. http://gdmltest.u-ga.fr/item/1183733466/