Numerical range preserving operators on a Banach algebra
Studia Mathematica, Tome 54 (1975) no. 2, pp. 143-147
Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences
@article{10_4064_sm_54_2_143_147,
author = {V. Pellegrini},
title = {Numerical range preserving operators on a {Banach} algebra},
journal = {Studia Mathematica},
pages = {143--147},
year = {1975},
volume = {54},
number = {2},
doi = {10.4064/sm-54-2-143-147},
language = {en},
url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-54-2-143-147/}
}
V. Pellegrini. Numerical range preserving operators on a Banach algebra. Studia Mathematica, Tome 54 (1975) no. 2, pp. 143-147. doi: 10.4064/sm-54-2-143-147
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