@article{10_4064_sm221_2_5, author = {Chun Guang Li and Ting Ting Zhou}, title = {Polaroid type operators and compact perturbations}, journal = {Studia Mathematica}, pages = {175--192}, publisher = {mathdoc}, volume = {221}, number = {2}, year = {2014}, doi = {10.4064/sm221-2-5}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/sm221-2-5/} }