Crasmareanu, MirceaBaleanu, DumitruBaleanu, DumitruMatematik2025-09-232025-09-232009Crasmareanu, M., Baleanu, D. (2009). New aspects in killing tensors of rank two. Romanian Journal of Physics, 54(3-4), 275-280.1221-146Xhttps://hdl.handle.net/20.500.12416/15296Crasmareanu, Mircea/0000-0002-5230-2751First integrals quadratic in moments corresponding to the natural Lagrangian systems are discussed with a special view towards the two-dimensional case. Since these first integrals are provided by Killing tensors of rank two we pointed out some geometrical features of this class of tensor fields.eninfo:eu-repo/semantics/closedAccessNatural Lagrangian SystemFirst IntegralKilling TensorsArticle2-s2.0-68749108142