積に対するヤングの不等式
↑ Young, W. H. (1912), “On classes of summable functions and their Fourier series”, Proceedings of the Royal Society A 87 (594): 225–229, doi:10.1098/rspa.1912.0076, JFM 43.1114.12, JSTOR 93236, https://jstor.org/stable/93236
↑ Tisdell, Chris (2013), The Peter Paul Inequality, YouTube video on Dr Chris Tisdell's YouTube channel, https://www.youtube.com/watch?v=C_bjbjTzHP4
↑ T. Ando (1995). “Matrix Young Inequalities”. In Huijsmans, C. B.; Kaashoek, M. A.; Luxemburg, W. A. J. et al.. Operator Theory in Function Spaces and Banach Lattices.