S. Moyo, Sergey V. Meleshko, G. F. Oguis. Complete group classification of systems of two linear second-order ordinary differential equations. Commun. Nonlinear Sci. Numer. Simul., 18(11):2972-2983, 2013. [doi]
@article{MoyoMO13, title = {Complete group classification of systems of two linear second-order ordinary differential equations}, author = {S. Moyo and Sergey V. Meleshko and G. F. Oguis}, year = {2013}, doi = {10.1016/j.cnsns.2013.04.012}, url = {https://doi.org/10.1016/j.cnsns.2013.04.012}, researchr = {https://researchr.org/publication/MoyoMO13}, cites = {0}, citedby = {0}, journal = {Commun. Nonlinear Sci. Numer. Simul.}, volume = {18}, number = {11}, pages = {2972-2983}, }