@article{DBLP:journals/mst/GinsburgLMW79,
author = {Seymour Ginsburg and
Benton L. Leong and
Otto Mayer and
Detlef Wotschke},
title = {On Strict Interpretations of Grammar Forms},
journal = {Mathematical Systems Theory},
volume = {12},
year = {1979},
pages = {233-252},
ee = {http://dx.doi.org/10.1007/BF01776576},
bibsource = {DBLP, http://dblp.uni-trier.de}
}