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Analyse des groupes de Lie et algèbres de Lie pour les équations différentielles (1)
Analysis of the symmetry Lie group and Lie algebra of differential systems (1)
Conditional symmetry method (1)
Extrusion dies (1)
Filières d’extrusion (1)
First-order quasilinear systems (1)
Generalized method of characteristics (1)
Ideal plasticity (1)
Invariant, partially invariant and conditionally invariant solutions (1)
Invariants de Riemann (1)