Application of a Variational Principle to the Calculation of Low-Energy Electron Diffraction Intensities. II. The Generalized Formalism of Three-Dimensional Problems,
1994 ◽
Vol 01
(02n03)
◽
pp. 221-227
◽
1969 ◽
Vol 6
(1)
◽
pp. 222-223
◽