@article{GDZPPN002411040,
title = {Some Uniqueness and Growth Theorems in the Cauchy Problem for P utt + M ut + Nu = 0 in Hilbert Space.},
journal = {Mathematische Zeitschrift},
volume = {129},
year = {1972},
pages = {345-360},
zbl = {0238.35016},
url = {http://dml.mathdoc.fr/item/GDZPPN002411040}
}
Levine, Howard A. Some Uniqueness and Growth Theorems in the Cauchy Problem for P utt + M ut + Nu = 0 in Hilbert Space.. Mathematische Zeitschrift, Tome 129 (1972) pp. 345-360. http://gdmltest.u-ga.fr/item/GDZPPN002411040/