SJÖLIN, Per. $L^p$ maximal estimates for solutions to the Schrödinger equation. MATHEMATICA SCANDINAVICA, [S. l.], v. 81, p. 35–68, 1997. DOI: 10.7146/math.scand.a-12865. Disponível em: https://tidsskrift.dk/math/article/view/12865. Acesso em: 13 aug. 2026.