机译:A Note on the Integration of Scalar Fourth-Order Ordinary Differential Equations with Four-Dimensional Symmetry Algebras
Abdus Salam Sch Math Sci GC Univ, Lahore 68-B, Lahore 54600, Pakistan;
Univ Witwatersrand, DSI NRF Ctr Excellence Math & Stat Sci, Sch Comp Sci & Appl Math, ZA-2050 Johannesburg, South Africa|Univ New South Wales, Sch Math & Stat, Sydney, NSW 2052, Australia;