The generally covariant representation of the Landau and Lifshitz pseudotensor

The symmetrical second order tensor field describing the gravitation is considered on the four-dimensional affinely connected space without torsion. The expression corresponding to the Einstein superpotential usually used in the pseudotensor approach to the energy-momentum problem is defined by the variational method. The generalized Landau and Lifshitz superpotential is introduced by analogy with this expression. Then the tensor corresponding to the Landau and Lifshitz pseudotensor is defined. The investigation has been performed at the Laboratory of Theoretical Physics, JINR