A. Schikorra, D. Spector, J. Van Schaftingen:
An $L^1$-type estimate for Riesz potentials
(Rev. Mat. Iberoam.) p. 12, 2014

M. Petrache, J. Van Schaftingen:
Controlled singular extension of critical trace Sobolev maps from spheres to compact manifolds
(Preprint) p. 26, 2015

A. Monteil, J. Van Schaftingen:
Uniform boundedness principles for Sobolev maps into manifolds
(preprint) 2017

D. Spector, J. Van Schaftingen:
Optimal embeddings into Lorentz spaces for some vector differential operators via Gagliardo's lemma
(Preprint) p. 20, 2018