Heikkila, S.

• Nonlinear Studies Vol 15 No 2 (2008) - Articles
  Nonsmooth, nonlocal and implicit differential equations in lattice-ordered Banach spaces
  Abstract
• Nonlinear Studies Vol 10 No 3 (2003) - Articles
  Existence results for Implicit Functional Evolution Equations and Parabolic IBVP'S
  Abstract
• Nonlinear Studies Vol 17 No 4 (2010) - Articles
  Well-posedness results for Cauchy problems containing non-absolutely integrable vector-valued functions
  Abstract