On the computations of scattering amplitudes in the problems of diffraction by elongated bodies of revolution

This paper is complements to article “Scattering amplitudes in a vicinity of the limit rays in shortwave diffraction by elongated bodies of revolution”. It contains discussions of some points of the article which worth of more detail considerations, such as an influence of the integration limits on computation result of scattering amplitudes and estimation of the permissible values of the scattering angle intervals as functions of parameters of the problems.