@article{10_2298_FIL2213385W,
     author = {Xiufeng Wu and Junjie Huang and Alatancang Chen},
     title = {Self-adjoint perturbations of left (right) weyl spectrum for upper triangular operator matrices},
     journal = {Filomat},
     pages = {4385 },
     year = {2022},
     volume = {36},
     number = {13},
     doi = {10.2298/FIL2213385W},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2213385W/}
}