Global Continuation via Higher-Gradient Regularization and Singular Limits in Forced One-Dimensional Phase Transitions. - Timothy J. Healey; Hansjörg Kielhöfer (SIAM J. Math. Anal., 2000)

Singular Perturbation as a Selection Criterion for Young-Measure Solutions. - M. Lilli; Timothy J. Healey; Hansjörg Kielhöfer (SIAM J. Math. Anal., 2007)