@BOOK{ iet:/content/books/ew/sbew518e, author = {S. R. Seshadri}, keywords = {Hermite-Gauss wave;An integral;electromagnetic fields;spatially localized electromagnetic wave;Helmholtz equation;Gaussian beam;complex space source theory;Airy integral;paraxial equation;Green function;point current source origin;Laguerre-Gauss wave;Bessel-Gauss wave;complex source point theory;full Gaussian wave;Airy beam;}, title = {Complex Space Source Theory of Spatially Localized Electromagnetic Waves}, publisher = {Institution of Engineering and Technology}, year = {2013}, series = {Electromagnetic Waves}, url = {https://digital-library.theiet.org/;jsessionid=2ps1lls620rjh.x-iet-live-01content/books/ew/sbew518e} }