Hardy–Sobolev critical elliptic equations with boundary singularities N. Ghoussoub, X. S. Kang (2004) Annales de l'I.H.P. Analyse non linéaire
Heteroclinic orbits, mobility parameters and stability for thin film type equations. Laugesen, Richard.S., Pugh, Mary C. (2002) Electronic Journal of Differential Equations (EJDE) [electronic only]