@book{3036,
	author = {Arfken, George B.},
	title = {Mathematical methods for physicists},
	publisher = {Elsevier},
	year = {2012},
	address = {New Dehli},
	edition = {7th},
	url = {https://libgen.is/book/index.php?md5=B0C80555B83DAD0336B73F1588DF4E57}
}