Self-consistent calculation of ray trajectories, acquisitions and inhomogeneous structure of waves
... случай вещественных лучевых траекторий // Региональная
XIV
конференция по распространению радиоволн: тез. докл. СПб., 2009.
Zakharov V. E., Godovanaya E. N.
characteristic system in Cartesian coordinates, the phase shift, the coefficient of total absorption.
96-101