@article{1240434486,
author = {R. EMBRY, Mary},
title = {Orthogonality and the numerical range},
journal = {J. Math. Soc. Japan},
volume = {27},
number = {4},
year = {1975},
pages = { 405-411},
language = {en},
url = {http://dml.mathdoc.fr/item/1240434486}
}
R. EMBRY, Mary. Orthogonality and the numerical range. J. Math. Soc. Japan, Tome 27 (1975) no. 4, pp. 405-411. http://gdmltest.u-ga.fr/item/1240434486/