@article{GDZPPN00208399X,
title = {Cauchy Problems for Polynomial Operator Matrices on Abstract Energy Spaces.},
journal = {Forum mathematicum},
volume = {2},
year = {1990},
pages = {89-102},
zbl = {0698.47024},
url = {http://dml.mathdoc.fr/item/GDZPPN00208399X}
}
Engel, Klaus-J.; Nagel, Rainer. Cauchy Problems for Polynomial Operator Matrices on Abstract Energy Spaces.. Forum mathematicum, Tome 2 (1990) pp. 89-102. http://gdmltest.u-ga.fr/item/GDZPPN00208399X/