@article{05947052,
title = {Formal adjoints of linear DAE operators and their role in optimal control.},
journal = {ELA. The Electronic Journal of Linear Algebra [electronic only]},
volume = {22},
year = {2011},
pages = {672-693},
zbl = {1226.49030},
language = {en},
url = {http://dml.mathdoc.fr/item/05947052}
}
Kunkel, Peter; Mehrmann, Volker. Formal adjoints of linear DAE operators and their role in optimal control.. ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 22 (2011) pp. 672-693. http://gdmltest.u-ga.fr/item/05947052/