@article{10_1017_S0017089512000092,
     author = {ZHU, SEN and LI, CHUN GUANG and ZHOU, TING TING},
     title = {WEYL {TYPE} {THEOREMS} {FOR} {FUNCTIONS} {OF} {OPERATORS}},
     journal = {Glasgow mathematical journal},
     pages = {493--505},
     year = {2012},
     volume = {54},
     number = {3},
     doi = {10.1017/S0017089512000092},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089512000092/}
}