ZOWE, J. Subdifferentiability of Convex Functions with Values in an Ordered Vector Space. MATHEMATICA SCANDINAVICA, [S. l.], v. 34, p. 69–83, 1974. DOI: 10.7146/math.scand.a-11507. Disponível em: https://www.mscand.dk/article/view/11507. Acesso em: 24 nov. 2024.