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Proceedings of the National Academy of Sciences, India Section A: Physical... > 2017 > 87 > 1 > 23-30
Linear Algebra and Its Applications > 2012 > 436 > 9 > 3120-3131
Proceedings of the National Academy of Sciences, India Section A: Physical... > 2017 > 87 > 1 > 23-30
Linear Algebra and Its Applications > 2012 > 436 > 9 > 3120-3131