Volume 53; Issue 2

2

A converse topological stability theorem for flows on surfaces

Year:
1984
Language:
english
File:
PDF, 1.15 MB
english, 1984
3

Subharmonic solutions of second-order equations arising near harmonic solutions

Year:
1984
Language:
english
File:
PDF, 993 KB
english, 1984
7

When all solutions of x′ = −∑ qi(t) x(t − Ti(t)) oscillate

Year:
1984
Language:
english
File:
PDF, 296 KB
english, 1984
8

On dynamical systems with an integral invariant on the torus

Year:
1984
Language:
english
File:
PDF, 583 KB
english, 1984