@article{GDZPPN002219654, title = {Tubenumgebungen Steinscher R\"aume.}, journal = {Manuscripta mathematica}, volume = {18}, year = {1976}, pages = {391-398}, zbl = {0343.32013}, url = {http://dml.mathdoc.fr/item/GDZPPN002219654} }
Schneider, Michael. Tubenumgebungen Steinscher Räume.. Manuscripta mathematica, Tome 18 (1976) pp. 391-398. http://gdmltest.u-ga.fr/item/GDZPPN002219654/