Willy Sarlet

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Complete decoupling of systems of ordinary second-order differential equations

Willy Sarlet, W. Sarlet, 1997 .

GENERALIZATIONS OF NOETHER'S THEOREM IN CLASSICAL MECHANICS*

Frans Cantrijn, Willy Sarlet, W. Sarlet, 1981 .

Pseudo-symmetries, Noether's theorem and the adjoint equation

Frans Cantrijn, Willy Sarlet, M. Crampin, 1987 .

Regularity aspects and Hamiltonization of non-holonomic systems

Frans Cantrijn, Willy Sarlet, W. Sarlet, 1999 .

Linear connections for systems of second-order ordinary differential equations

Eduardo Martínez, Willy Sarlet, Michael Crampin, 1996 .

Adjoint symmetries for time-dependent second-order equations

Willy Sarlet, Geoff Prince, M. Crampin, 1990 .

The inverse problem of the calculus of variations: The use of geometrical calculus in Douglas's analysis.

Gerard Thompson, Willy Sarlet, Geoff Prince, 2002 .