Relation between a class of two-dimensional and three-dimensional diffraction problems This book, "Relation between a class of two-dimensional and three-dimensional diffraction problems", by L.B. Felsen, is a replication of a book originally published before 1959. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.