@article{GDZPPN00126088X,
title = {Matrix multiplication operators generating one parameter semigroups.},
journal = {Semigroup forum},
volume = {43},
year = {1991},
pages = {155-166},
zbl = {0744.47033},
url = {http://dml.mathdoc.fr/item/GDZPPN00126088X}
}
Holderrieth, A. Matrix multiplication operators generating one parameter semigroups.. Semigroup forum, Tome 43 (1991) pp. 155-166. http://gdmltest.u-ga.fr/item/GDZPPN00126088X/