CEGRELL, U.; WIKLUND, J. A Monge-Ampère norm for delta-plurisubharmonic functions. MATHEMATICA SCANDINAVICA, [S. l.], v. 97, n. 2, p. 201–216, 2005. DOI: 10.7146/math.scand.a-14972. Disponível em: https://www.mscand.dk/article/view/14972. Acesso em: 5 may. 2024.