@misc{1169536, author = {V D Kupradze}, title = {Fundamental problems in the mathematical theory of diffraction:}, year = {1952}, month = {1952-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.2008}, language = {en}, }