4 books • 1 series
Ordinary Differential Equations And Boundary Value Problems - Volume Ii: Boundary Value Problems (Trends in Abstract and Applied Analysis, #8)
Ordinary Differential Equations And Boundary Value Problems - Volume I: Advanced Ordinary Differential Equations (Trends in Abstract and Applied Analysis, #7)
Multiple Solutions Of Boundary Value Problems: A Variational Approach (Trends in Abstract and Applied Analysis, #1)