Relativistic transformations for the moment of the magnetic dipole

For several years the quesation was under dicussion of an electric dipole moment acquired by a magnetic dipole moving in a medium. Now it is accepted that for the relation between the magnetic and electric moment in a medium the same relativistic formula as for a magnetic dipole moving in a vacuum can be used. Consideration undertaken in this paper of a closed current loop moving in a vacuum contains and additional argument in favor of the above statement. In the limit case this loop is equivalent to a moving magnetic dipole. The comparison of the obtained results with the known data concerning the electric dipole has shown that in the case of medium there are no reasons whatsoever to change relativistic transformation formulas. 5 refs.; 1 fig