@article{10_4064_sm_22_1_15_41,
     author = {H. Gindler and A. Taylor},
     title = {The minimum modulus of a linear operator and its use in spectral theory},
     journal = {Studia Mathematica},
     pages = {15--41},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {1962},
     doi = {10.4064/sm-22-1-15-41},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-22-1-15-41/}
}