1972/26/3

Repeated convergence and fractional differences

Difference inequalities of the elliptic type

On the existence and uniqueness of solutions of systems of differential equations with a deviated argument

Attractive operators and fixed points

Solutions of a functional equation in a special class of functions

On the inner parts of certain analytic functions

On the coefficients of starlike functions of some classes

On the µ-observability of some non-linear difference equations

Croissance et meilleure approximation polynomiale des fonctions entieres

Periodic solutions of differential equations in the cylindrical space

Une remarque sur l'équation des erreurs dans la solution approximative des équations différentielles