The Clairaut and Lagrange areolar equation
A contribution to the problem of coexistence of two periodical solutions of the Hill's equation
Elementary Solution of Vecua Equation With Analytic Coefficients on Z,
L'équation Non-homogene de Vécua
Amplitudes of linear oscillations determined by linear homogenous differential equation of the second order and Liouville-Besge formulae
Factorization Of Polynomial Differential Operators
The non-homogeneous Vekua equation. (L'équation non-homogène de Vekua.)
Page 1