Yoshihide Igarashi, Namio Honda. On the Extension of Gladkij s Theorem and the Hierarchies of Languages. J. Comput. Syst. Sci., 7(2):199-217, 1973.
@article{IgarashiH73,
title = {On the Extension of Gladkij s Theorem and the Hierarchies of Languages},
author = {Yoshihide Igarashi and Namio Honda},
year = {1973},
researchr = {https://researchr.org/publication/IgarashiH73},
cites = {0},
citedby = {0},
journal = {J. Comput. Syst. Sci.},
volume = {7},
number = {2},
pages = {199-217},
}