@misc{Miao_Chang_Xing_Invariants,_2006, author={Miao, Chang Xing and Zhu, You Bin}, volume={33}, editor={Polska Akademia Nauk. Instytut Matematyczny.}, number={3}, copyright={Rights Reserved - Free Access}, address={Warsaw}, address={Wrocław}, howpublished={online}, year={2006}, publisher={Polska Akademia Nauk. Instytut Matematyczny.}, language={pol}, language={eng}, language={rus}, title={Invariants, conservation laws and time decay for a nonlinear system of Klein–Gordon equations with Hamiltonian structure}, type={Text}, keywords={Matematyka -- czasopisma. [KABA], Matematyka -- zastosowania naukowe -- czasopisma. [KABA]}, }