Geodesic

Tome 189 (1998) no. 10

Sommaire

Two-dimensional Riemannian metrics with integrable geodesic flows. Local and global geometry
p. 1441-1466
The structure of optimal synthesis in a neighbourhood of singular manifolds for problems that are affine in control
p. 1467-1484
Asymptotic and Fredholm representations of discrete groups
p. 1485-1504
Construction of adjoint operators in non-linear problems of mathematical physics
p. 1505-1516
Generalized graph manifolds and their effective recognition
p. 1517-1531
A generalized Heron–Tartaglia formula and some of its consequences
p. 1533-1561
Homotopy type and $A_\infty$-group structure
p. 1563-1572
On general boundary-value problems for elliptic equations
p. 1573-1586
Лев Семенович Понтрягин (посвящение)