Alexandru Mateescu, Grzegorz Rozenberg, Arto Salomaa. Geometric Transformations on Language Families: The Power of Symmetry. Int. J. Found. Comput. Sci., 8(1):1, 1997.
@article{MateescuRS97:0, title = {Geometric Transformations on Language Families: The Power of Symmetry}, author = {Alexandru Mateescu and Grzegorz Rozenberg and Arto Salomaa}, year = {1997}, tags = {transformation language, transformation}, researchr = {https://researchr.org/publication/MateescuRS97%3A0}, cites = {0}, citedby = {0}, journal = {Int. J. Found. Comput. Sci.}, volume = {8}, number = {1}, pages = {1}, }