Anomalous Exponents and Dipole Solutions for the Thin Film Equation. - Josephus Hulshof; John R. King; Mark Bowen (SIAM J. Appl. Math., 2001)

The Linear Limit of the Dipole Problem for the Thin Film Equation. - Mark Bowen; Thomas P. Witelski (SIAM J. Appl. Math., 2006)

Singular perturbation theory. - Thomas P. Witelski; Mark Bowen (Scholarpedia, 2009)