@misc{Mingliang_Zheng_Lie, author={Mingliang Zheng}, howpublished={online}, publisher={Wydaw. Politechniki Częstochowskiej}, language={eng}, type={artykuł}, title={Lie symmetries and conserved quantities of discrete constrained Hamilton systems}, keywords={discrete difference variational principle, constrained Hamilton systems, Lie symmetries, conserved quantities}, }