# Representation of a positive integer by a sum of large four squares

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[1] E. Dubouis, Solution of a problem of a J. Tannery, Intermediaire Math. 18 (1911), 55–56. Google Scholar

[2] E. Grosswald, Representations of integers as sums of squares, Springer-Verlag, New York, (1985). Google Scholar

[3] B. M. Kim, On nonvanishing sum of integral squares of Q( sqrt{5}), Kangweon-Kyungki Math. J. 6 (1998), 299–302. Google Scholar

[4] B. M. Kim, On nonvanishing sum of integral squares of Q( sqrt{2}) and Q( sqrt{3}), J . ￼￼￼Nat. Sci. Res. Inst. KANU 14 (1998), 1–5. Google Scholar

[5] B. M. Kim, Sums of Squares of Integers not less than 2, The Journal of Natural Science, GWNU 18 (2012), 31–37. Google Scholar

[6] B. M. Kim, J. Y. Kim, Sums of nonvanishing integral squares in real quadratic fields, preprint. Google Scholar

[7] E. S. Selmer, On Waring’s problem for squares, Acta Arith. 48 (1987), 373–377. Google Scholar