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Journal of Mathematical Analysis and Applications > 2017 > 452 > 2 > 906-911
Journal of Functional Analysis > 2017 > 272 > 9 > 3869-3903
Journal of Mathematical Analysis and Applications > 2017 > 452 > 2 > 906-911
Journal of Functional Analysis > 2017 > 272 > 9 > 3869-3903