@article{10_1017_S0017089503001575,
     author = {GIL', M. I.},
     title = {INVERTIBILITY {AND} {SPECTRA} {OF} {OPERATORS} {ON} {TENSOR} {PRODUCTS} {OF} {HILBERT} {SPACES}},
     journal = {Glasgow mathematical journal},
     pages = {101--116},
     year = {2004},
     volume = {46},
     number = {1},
     doi = {10.1017/S0017089503001575},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089503001575/}
}