Ian G. Lisle, Gregory J. Reid. Geometry and Structure of Lie Pseudogroups from Infinitesimal Defining Systems. Journal of Symbolic Computation, 26(3):355-379, 1998.
@article{LisleR98, title = {Geometry and Structure of Lie Pseudogroups from Infinitesimal Defining Systems}, author = {Ian G. Lisle and Gregory J. Reid}, year = {1998}, researchr = {https://researchr.org/publication/LisleR98}, cites = {0}, citedby = {0}, journal = {Journal of Symbolic Computation}, volume = {26}, number = {3}, pages = {355-379}, }