@book{3035,
	author = {Arfken, George B.},
	title = {Mathematical methods for physicists},
	publisher = {Elsevier},
	year = {2012},
	address = {New Dalhi},
	edition = {6th},
	url = {https://libgen.is/book/index.php?md5=736C08A845F34A984FD35E154F51E9F6}
}