@article{1183736675,
author = {Kasher, Asa},
title = {Review: Seymour Ginsburg, Edwin H. Spanier, Quotients of Context-Free Languages},
journal = {J. Symbolic Logic},
volume = {34},
number = {1},
year = {1969},
pages = { 135-136},
language = {en},
url = {http://dml.mathdoc.fr/item/1183736675}
}
Kasher, Asa. Review: Seymour Ginsburg, Edwin H. Spanier, Quotients of Context-Free Languages. J. Symbolic Logic, Tome 34 (1969) no. 1, pp. 135-136. http://gdmltest.u-ga.fr/item/1183736675/