Periodic solutions of singular Lagrangian systems/
Antonio Ambrosetti, Vittorio Coti Zelati.
- Boston: Birkhäuser, c1993.
- xii, 157 p.: ill.; 25 cm.
- Progress in nonlinear differential equations and their applications; v. 10 .
Includes bibliographical references (p. [149]-157).
0817636552 (acid-free paper)
93024376
Differentiable dynamical systems. Nonlinear oscillations. Critical point theory (Mathematical analysis) Systemes dynamiques différentiables. Oscillations non linéaires. Point critique, théorie du (Analyse mathématique).