Cordero, A., Torregrosa, J.R. and Vindel, P. 2019. Dynamical analysis to explain the numerical anomalies in the family of Ermakov-Kalitlin type methods. Mathematical Modelling and Analysis. 24, 3 (Apr. 2019), 335-350. DOI:https://doi.org/10.3846/mma.2019.021.