Singh, Ram Mehar. “Integrability of a Coupled Harmonic Oscillator in Extended Complex Phase Space”. Discontinuity, Nonlinearity, and Complexity 4, no. 1 (March 1, 2015): 35–48. Accessed October 17, 2026. https://lhscientificpublishing.com/index.php/DNC/article/view/2021.