... 1) u (r , q, ) 2 u ( r , q, ) f ( r , q, ) 2 (r )u (r , q, ) (2) 2 c0 1 exp( x y ), 4 x y c0 (3) G ( x, y , ) 2 G ( x, y , ) 2 G ( x, y , ) ( x y ) . ... P, Q z = 0 , OXYZ Z , OXY . ... 6) U ( p1 , q1 ) = H ( p1 - r1 , r3 ) H (q1 - r1 , r3 ) (r1 , r3 )dr1 , R ( p1 , q1 ) , (8) (r ) = 0 1 . ... 7.5; 0.; ... J. Claerbout "Imaging the Earth's interior", Blackwell Scientific Publishers, 1986. ... J. Gazdag, P. Squazzero "Migration of seismic data" // Proceedings of the IEEE, 72:1302-1315, 1984. ... 1994...