en Choi, Man Duen (), „Tricks or treats with the Hilbert matrix”, The American Mathematical Monthly, 90 (5): 301–312, doi:10.2307/2975779, JSTOR2975779, MR0701570
en Choi, Man Duen (), „Tricks or treats with the Hilbert matrix”, The American Mathematical Monthly, 90 (5): 301–312, doi:10.2307/2975779, JSTOR2975779, MR0701570
en Choi, Man Duen (), „Tricks or treats with the Hilbert matrix”, The American Mathematical Monthly, 90 (5): 301–312, doi:10.2307/2975779, JSTOR2975779, MR0701570