Perturbation of Four Kinds of Point Spectrums of a Class of Upper Triangular Operator Matrices
ZHANG Lan;Alatancang
Journal of Systems Science and Mathematical Sciences ›› 2010, Vol. 30 ›› Issue (5) : 681-688.
Perturbation of Four Kinds of Point Spectrums of a Class of Upper Triangular Operator Matrices
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