Neil D. Jones, Sven Skyum. Complexity of Some Problems Concerning L Systems. Theory Comput. Syst., 13:29-43, 1979.
@article{JonesS79, title = {Complexity of Some Problems Concerning L Systems}, author = {Neil D. Jones and Sven Skyum}, year = {1979}, researchr = {https://researchr.org/publication/JonesS79}, cites = {0}, citedby = {0}, journal = {Theory Comput. Syst.}, volume = {13}, pages = {29-43}, }