On the variation of the Fredholm resolvent.
Bollettino della Unione matematica italiana, Série 3, Tome 14 (1959) no. 1, pp. 78-81
@article{BUMI_1959_3_14_1_a9,
author = {Bellman, Richard},
title = {On the variation of the {Fredholm} resolvent.},
journal = {Bollettino della Unione matematica italiana},
pages = {78--81},
year = {1959},
volume = {Ser. 3, 14},
number = {1},
zbl = {0088.08102},
mrnumber = {130543},
language = {en},
url = {http://geodesic.mathdoc.fr/item/BUMI_1959_3_14_1_a9/}
}
Bellman, Richard. On the variation of the Fredholm resolvent.. Bollettino della Unione matematica italiana, Série 3, Tome 14 (1959) no. 1, pp. 78-81. http://geodesic.mathdoc.fr/item/BUMI_1959_3_14_1_a9/