Lü, Yanming, Tingfu Wang, y Junming Wang. «Monotone coefficients and monotonicity of Orlicz spaces». Revista Matemática Complutense, vol. 12, vol. 12, n.º 1, 1999, p. 105, doi: https://doi.org/10.5209/rev_REMA.1999.v12.n1.17198.