Energy-preserving trigonometrically fitted continuous stage Runge-Kutta-Nyström methods for oscillatory Hamiltonian systems. - Jiyong Li; Yachao Gao (Numer. Algorithms, 2019)

Modified multi-step Nyström methods for oscillatory general second-order initial value problems. - Jiyong Li; Yachao Gao (Int. J. Comput. Math., 2021)