On the existence of positive solutions of Yamabe-type equations on the Heisenberg group. Brandolini, L.; Rigoli, M.; Setti, A.G. — 1996 Electronic Research Announcements of the American Mathematical Society [electronic only]
Willmore submanifolds of the Möbius space and a Bernstein-type theorem. Isabel M.C. Salavessa; M. Rigoli — 1993 Manuscripta mathematica
A finiteness theorem for the space of L p harmonic sections. S. Pigola; M. Rigoli; A. G. Setti — 2008 Revista Matemática Iberoamericana