%0 Journal Article
%T Spectrum of Quasi-Class (A,k) Operators
%A Xiaochun Li
%A Fugen Gao
%A Xiaochun Fang
%J ISRN Mathematical Analysis
%D 2011
%I Hindawi Publishing Corporation
%R 10.5402/2011/415980
%U http://dx.doi.org/10.5402/2011/415980