Tore Langholm. A Descriptive Characterisation of Indexed Grammars. Grammars, 4(3):205-262, 2001.
@article{Langholm01, title = {A Descriptive Characterisation of Indexed Grammars}, author = {Tore Langholm}, year = {2001}, tags = {grammar}, researchr = {https://researchr.org/publication/Langholm01}, cites = {0}, citedby = {0}, journal = {Grammars}, volume = {4}, number = {3}, pages = {205-262}, }