1961-1962/11/1

On some functional equations containing iterations of the unknown functions

Concerning an expansion formula for a type of integrals

О функциях ${\displaystyle {\phi }_2\left(n\right)}$, ${\displaystyle {\mu }_2\left(n\right)}$, ${\displaystyle {\zeta }_2\left(s\right)}$

Über Erhaltungssätze die aus Euler-Lagrangeschen Gleichung folgen

On a certain boundary problem for Laplace equation

On the asymptotic coincidence of sets filled up by integrals of two systems of ordinary differential equations

Sur l'existence et l'unicité des solutions de certaines équations différentielles du type ${\displaystyle \_u\left\{xyz\right\}=f(x,y,z,u,u_x,u_y,u_z,u_{xy},u_{xz},u_{yz})}$