G. Thomas. The Problem of Defining the Singular Points of Quasi-Linear Differential-Algebraic Systems. Theoretical Computer Science, 187(1-2):49-79, 1997. [doi]
@article{Thomas97:6, title = {The Problem of Defining the Singular Points of Quasi-Linear Differential-Algebraic Systems}, author = {G. Thomas}, year = {1997}, doi = {10.1016/S0304-3975(97)81843-9}, url = {http://dx.doi.org/10.1016/S0304-3975(97)81843-9}, tags = { algebra}, researchr = {https://researchr.org/publication/Thomas97%3A6}, cites = {0}, citedby = {0}, journal = {Theoretical Computer Science}, volume = {187}, number = {1-2}, pages = {49-79}, }