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First integrals conserved vectors of nonlinear partial difference equations
first integralsdifference equationsconservedvectorsnonlinear
https://eudml.org/doc/248128
EuDML | Noether theorem and first integrals of constrained Lagrangean systems
noether theoremfirst integralsconstrainedlagrangeansystems
https://cpb.iphy.ac.cn/en/article/doi/10.1088/1009-1963/15/6/002?viewType=HTML
First integrals and stability of second-order differential equations
The stability of second-order differential equations is studied by using their integrals. A system of second-order differential equations can be considered as...
first integralssecond orderdifferential equationsstability