%0 Journal Article %A Mustafayev, H. S. %T The Essential Spectrum of the Essentially Isometric Operator %J Canadian mathematical bulletin %D 2014 %P 145-158 %V 57 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2012-016-1/ %R 10.4153/CMB-2012-016-1 %F 10_4153_CMB_2012_016_1