Sun, Weiwei, and Lianghong Peng. “Observer-Based Robust Adaptive Control for Uncertain Stochastic Hamiltonian Systems With State and Input Delays”. Nonlinear Analysis: Modelling and Control 19, no. 4 (October 30, 2014): 626-645. Accessed August 8, 2022. https://www.journals.vu.lt/nonlinear-analysis/article/view/13659.