@article{GDZPPN00222027X,
title = {Inclusion Statements for Operator Equations by a Continuity Principle.},
journal = {Manuscripta mathematica},
volume = {22},
year = {1977},
pages = {135-172},
zbl = {0363.65050},
url = {http://dml.mathdoc.fr/item/GDZPPN00222027X}
}
Schröder, Johann. Inclusion Statements for Operator Equations by a Continuity Principle.. Manuscripta mathematica, Tome 22 (1977) pp. 135-172. http://gdmltest.u-ga.fr/item/GDZPPN00222027X/