Rajaa
Hakutulokset: Hakutulos
Rajaa
yksi hakutulos.
Local Methods in Nonlinear Differential Equations
nidottu,
2011,
englanti,
ISBN 9783642647888
The method of normal forms is usually attributed to Poincaré although some of the basic ideas of the method can be found in earlier works of Jacobi, Briot and Bouquet. In this …