@inbook {11286, title = {Semi-Fredholmness of weighted singular integral operators with shifts and slowly oscillating data}, booktitle = {Operator Theory, Operator Algebras, and Matrix Theory. Operator Theory: Advances and Applications, vol. 267. }, year = {2018}, pages = {221-246}, publisher = {Birkh{\"a}user}, organization = {Birkh{\"a}user}, address = {Basel}, author = {Karlovich, Alexei Yu. and Karlovich, Yuri I. and Lebre, Amarino B.}, editor = {Andr{\'e}, Carlos and Bastos, Maria Am{\'e}lia and Karlovich, Alexei Yu. and Bernd Silbermann and Zaballa, Ion} }