Jean-Paul Allouche, Jeffrey Shallit. Generalized Perturbed Symmetry. Eur. J. Comb., 19(4):401-411, 1998. [doi]
@article{AlloucheS98, title = {Generalized Perturbed Symmetry}, author = {Jean-Paul Allouche and Jeffrey Shallit}, year = {1998}, doi = {10.1006/eujc.1998.0206}, url = {http://dx.doi.org/10.1006/eujc.1998.0206}, researchr = {https://researchr.org/publication/AlloucheS98}, cites = {0}, citedby = {0}, journal = {Eur. J. Comb.}, volume = {19}, number = {4}, pages = {401-411}, }