R. C. Bose et S. S. Shrikhande, « On the falsity of Euler's conjecture about the non-existence of two orthogonal latin squares of order 4t + 2 », Proceedings of the National Academy of Sciences, vol. 45, no 5, , p. 734–737 (ISSN0027-8424, DOI10.1073/pnas.45.5.734).
R. C. Bose et S. S. Shrikhande, « On the construction of sets of mutually orthogonal Latin squares and the falsity of a conjecture of Euler », Transactions of the American Mathematical Society, vol. 95, no 2, , p. 191–191 (DOI10.1090/S0002-9947-1960-0111695-3).
R. C. Bose, S. S. Shrikhande et E. T. Parker, « Further Results on the Construction of Mutually Orthogonal Latin Squares and the Falsity of Euler's Conjecture », Canadian Journal of Mathematics, vol. 12, , p. 189–203 (ISSN0008-414X, DOI10.4153/CJM-1960-016-5).
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R. C. Bose et S. S. Shrikhande, « On the falsity of Euler's conjecture about the non-existence of two orthogonal latin squares of order 4t + 2 », Proceedings of the National Academy of Sciences, vol. 45, no 5, , p. 734–737 (ISSN0027-8424, DOI10.1073/pnas.45.5.734).
R. C. Bose, S. S. Shrikhande et E. T. Parker, « Further Results on the Construction of Mutually Orthogonal Latin Squares and the Falsity of Euler's Conjecture », Canadian Journal of Mathematics, vol. 12, , p. 189–203 (ISSN0008-414X, DOI10.4153/CJM-1960-016-5).