@article{GDZPPN002234432,
title = {Some condensation theorems for semigroup operators.},
journal = {Manuscripta mathematica},
volume = {79},
year = {1993},
pages = {435-446},
zbl = {0798.47033},
url = {http://dml.mathdoc.fr/item/GDZPPN002234432}
}
Davydov, Oleg V. Some condensation theorems for semigroup operators.. Manuscripta mathematica, Tome 79 (1993) pp. 435-446. http://gdmltest.u-ga.fr/item/GDZPPN002234432/