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2018 Journal Article Two-by-two upper triangular matrices and Morrey’s conjectureHarris, Terence L. J., Kirchheim, Bernd and Lin, Chun-Chi (2018). Two-by-two upper triangular matrices and Morrey’s conjecture. Calculus of Variations and Partial Differential Equations, 57 (3) 73. doi: 10.1007/s00526-018-1360-8 |