Manifolds with strong harmonic boundaries but without Green's functions of clamped bodies Mitsuru Nakai, Leo Sario (1976) Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
Mesures associées à une forme de Dirichlet. Applications Yves Lejan (1978) Bulletin de la Société Mathématique de France
Minimal Varieties and Harmonic Maps in Tori. Brian Smyth, Tadashi Nagano (1975) Commentarii mathematici Helvetici
Monotonicity of Harnack inequality for positive invariant harmonic functions. Pan, Yifei, Wang, Mei (2007) Journal of Applied Mathematics and Stochastic Analysis