@article{1250131068,
author = {Bohl, Erich},
title = {Zur theorie $P$-beschr\"ankter Operatoren},
journal = {Rocky Mountain J. Math.},
volume = {4},
number = {4},
year = {1974},
pages = { 31-40},
language = {en},
url = {http://dml.mathdoc.fr/item/1250131068}
}
Bohl, Erich. Zur theorie $P$-beschränkter Operatoren. Rocky Mountain J. Math., Tome 4 (1974) no. 4, pp. 31-40. http://gdmltest.u-ga.fr/item/1250131068/