@article{MABA_1989_3_3-4_a8,
     author = {A. Herrero and A. S. Webb},
     title = {Spectral {Continuity} in {Complex} {Interpolation}},
     journal = {Mathematica balkanica},
     pages = {325},
     publisher = {mathdoc},
     volume = {3},
     number = {3-4},
     year = {1989},
     url = {http://geodesic.mathdoc.fr/item/MABA_1989_3_3-4_a8/}
}