Makar-Limanov, Leonid G. Max Planck Institute for Mathematics, Max Planck Society;
https://doi.org/10.1007/s40863-019-00124-9 (Publisher version)
Crachiola-Makar-Limanov_Exponential maps of a polynominal ring in two variables_Preprint.pdf (Preprint), 118KB
Crachiola, A. J., & Makar-Limanov, L. G. (2019). Exponential maps of a polynomial ring in two variables. São Paulo Journal of Mathematical Sciences, 13(1), 73-82. doi:10.1007/s40863-019-00124-9.