James A. Yorke. Invariance for Ordinary Differential Equations. Theory Comput. Syst., 1(4):353-372, 1967.
@article{Yorke67, title = {Invariance for Ordinary Differential Equations}, author = {James A. Yorke}, year = {1967}, researchr = {https://researchr.org/publication/Yorke67}, cites = {0}, citedby = {0}, journal = {Theory Comput. Syst.}, volume = {1}, number = {4}, pages = {353-372}, }