@article{GDZPPN001256599, title = {Band decomposition of weakly exponential semigroups.}, journal = {Semigroup forum}, volume = {30}, year = {1984}, pages = {303-312}, zbl = {0527.20047}, url = {http://dml.mathdoc.fr/item/GDZPPN001256599} }
Nagy, A. Band decomposition of weakly exponential semigroups.. Semigroup forum, Tome 30 (1984) pp. 303-312. http://gdmltest.u-ga.fr/item/GDZPPN001256599/