@article{05028386, title = {On stability zones for discrete-time periodic linear Hamiltonian systems.}, journal = {Advances in Difference Equations [electronic only]}, volume = {2006}, year = {2006}, doi = {10.1155/ADE/2006/80757}, zbl = {1133.39016}, language = {en}, url = {http://dml.mathdoc.fr/item/05028386} }
Răsvan, Vladimir. On stability zones for discrete-time periodic linear Hamiltonian systems.. Advances in Difference Equations [electronic only], Tome 2006 (2006) . doi : 10.1155/ADE/2006/80757. http://gdmltest.u-ga.fr/item/05028386/