@misc{indiciaee3320454a2b2, title = {A STABILITY THEOREM FOR FUNCTIONAL-DIFFERENTIAL EQUATIONS.}, author = {J K Hale}, year = {1963}, doi = {10.1073/pnas.50.5.942}, url = {https://pubmed.ncbi.nlm.nih.gov/16591126/}, note = {Source identifier: 16591126} }