Positive solutions of a three-point boundary-value problem on a time scale. Kaufmann, Eric R. — 2003 Electronic Journal of Differential Equations (EJDE) [electronic only]
Smoothness of solutions of conjugate boundary-value problems on a measure chain. Kaufmann, Eric R. — 2000 Electronic Journal of Differential Equations (EJDE) [electronic only]
Impulsive periodic boundary value problems for dynamic equations on time scale. Kaufmann, Eric R. — 2009 Advances in Difference Equations [electronic only]
A third order nonlocal boundary value problem at resonance. Kaufmann, Eric R. — 2009 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
A nonlinear neutral periodic differential equation. Kaufmann, Eric R. — 2010 Electronic Journal of Differential Equations (EJDE) [electronic only]
Existence of solutions for a nonlinear fractional order differential equation. Kaufmann, Eric R.; Yao, Kouadio David — 2009 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Periodicity and stability in neutral nonlinear dynamic equations with functional delay on a time scale. Kaufmann, Eric R.; Raffoul, Youssef N. — 2007 Electronic Journal of Differential Equations (EJDE) [electronic only]
Eigenvalue problems for a three-point boundary-value problem on a time scale. Kaufmann, Eric R.; Raffoul, Youssef N. — 2004 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Comparison of eigenvalues for a fourth-order four-point boundary value problem. Karna, Basant K.; Kaufmann, Eric R.; Nobles, Jason — 2005 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Solution matching for a three-point boundary-value problem on a time scale. Eggensperger, Martin; Kaufmann, Eric R.; Kosmatov, Nickolai — 2004 Electronic Journal of Differential Equations (EJDE) [electronic only]
Impulsive dynamic equations on a time scale. Kaufmann, Eric R.; Kosmatov, Nickolai; Raffoul, Youssef N. — 2008 Electronic Journal of Differential Equations (EJDE) [electronic only]