Geodesic

Tome 23 (1968) no. 6

Sommaire

On the behaviour of the partial sums of trigonometric Fourier series
p. 1-52
Duality of convex functions and extremum problems
p. 53-124
Some unsolved problems in graph theory
p. 125-141
Lev Semenovich Pontryagin (on the occasion of his sixtieth birthday)
p. 143-152
The index of elliptic operators.~II
Homologies in compact Lie groups
Lev Semenovich Pontryagin (photo)
First All-Union Symposium on Theory of Quasigroups and its Applications
Ninth All-Union Algebraic Colloquium
Awarding of State Prizes in Mathematics
W.\,J.~Rosenberg, A.\,I.~Prokhorov, What is queueing theory? (review)
New books on mathematics
A~letter to the editors