@article{bwmeta1.element.bwnjournal-article-cmv18i1n18,
author = {S. Brzychczy},
title = {On a certain property of a transformation in Hilbert space in connection with the theory of differential equations},
journal = {Colloquium Mathematicae},
volume = {18},
year = {1967},
pages = {143-146},
zbl = {0173.16903},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-cmv18i1n18}
}
S. Brzychczy. On a certain property of a transformation in Hilbert space in connection with the theory of differential equations. Colloquium Mathematicae, Tome 18 (1967) pp. 143-146. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-cmv18i1n18/