Erugin’s problem on the existence of irregular solutions in a case of a linear system with nonzero mean of periodic coefficient. (Russian. English summary) Zbl 1334.34029
Summary: Necessary and sufficient conditions under which a linear periodic differential system has strongly irregular periodic solutions are obtained.
MSC:
| 34A30 | Linear ordinary differential equations and systems |
| 34C25 | Periodic solutions to ordinary differential equations |
| 37C60 | Nonautonomous smooth dynamical systems |
