Geodesic

Volume 7 (1963) no. 1

Sommaire

On discrete subgroups of Lie groups
p. 3-18
On discrete subgroups of Lie groups
p. 19-42
Another approach to elliptic boundary problems
p. 43-65
Hypoelliptic differential operators
p. 66-78
Recent developments in some non-self-adjoint problems of mathematical physics
p. 79-136