@article{GDZPPN002353954,
title = {On the spectrum of a one-parameter strongly continous representation.},
journal = {Mathematica Scandinavica},
volume = {38},
year = {1976},
pages = {80-82},
zbl = {0356.47023},
url = {http://dml.mathdoc.fr/item/GDZPPN002353954}
}
Evans, David E. On the spectrum of a one-parameter strongly continous representation.. Mathematica Scandinavica, Tome 38 (1976) pp. 80-82. http://gdmltest.u-ga.fr/item/GDZPPN002353954/