Bugong Xu, Yongqing Liu. An improved Razumikhin-type theorem and its applications. IEEE Trans. Automat. Contr., 39(4):839-841, 1994. [doi]
@article{XuL94-1, title = {An improved Razumikhin-type theorem and its applications}, author = {Bugong Xu and Yongqing Liu}, year = {1994}, doi = {10.1109/9.286265}, url = {https://doi.org/10.1109/9.286265}, researchr = {https://researchr.org/publication/XuL94-1}, cites = {0}, citedby = {0}, journal = {IEEE Trans. Automat. Contr.}, volume = {39}, number = {4}, pages = {839-841}, }