@article{GDZPPN002309416,
title = {Holomorphic Relative Inverses of Operator Valued Functions.},
journal = {Mathematische Annalen},
volume = {212},
year = {1974},
pages = {179-194},
zbl = {0265.47028},
url = {http://dml.mathdoc.fr/item/GDZPPN002309416}
}
Bart, Harm. Holomorphic Relative Inverses of Operator Valued Functions.. Mathematische Annalen, Tome 212 (1974) pp. 179-194. http://gdmltest.u-ga.fr/item/GDZPPN002309416/