zbMath0955.34031MaRDI QIDQ1977673
Massimo Tarallo, Enrico Serra
Publication date: 13 February 2001 Published in: Advances in Differential Equations (Search for Journal in Brave)
zbMATH Keywords
periodic solutionsreduction functionsubquadratic equations
Mathematics Subject Classification ID
Periodic solutions to ordinary differential equations (34C25) Variational principles in infinite-dimensional spaces (58E30)
Related Items