@article{1183740617,
author = {Cohen, Daniel E.},
title = {Degree Problems for Modular Machines},
journal = {J. Symbolic Logic},
volume = {45},
number = {1},
year = {1980},
pages = { 510-528},
language = {en},
url = {http://dml.mathdoc.fr/item/1183740617}
}
Cohen, Daniel E. Degree Problems for Modular Machines. J. Symbolic Logic, Tome 45 (1980) no. 1, pp. 510-528. http://gdmltest.u-ga.fr/item/1183740617/