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Functional Analysis and Its Applications > 2017 > 51 > 4 > 255-262
Advances in Mathematics > 2017 > 311 > C > 378-468
Bulletin of the Brazilian Mathematical Society, New Series > 2015 > 46 > 3 > 469-490
Advances in Mathematics > 2007 > 208 > 1 > 147-209
Bulletin of the Brazilian Mathematical Society, New Series > 2005 > 36 > 1 > 25-38
Annales Polonici Mathematici > 1991-1992 > 56 > 2 > 187-194