@article{02116361,
title = {Some properties of the sum of linear operators in the non-differential case.},
journal = {Novi Sad Journal of Mathematics},
volume = {33},
year = {2003},
pages = {75-91},
zbl = {1052.47007},
language = {en},
url = {http://dml.mathdoc.fr/item/02116361}
}
de Malafosse, Bruno. Some properties of the sum of linear operators in the non-differential case.. Novi Sad Journal of Mathematics, Tome 33 (2003) pp. 75-91. http://gdmltest.u-ga.fr/item/02116361/