@book{2559,
	author = {Amaranath,T},
	title = {An Elementary Course in Partial Differential},
	publisher = {Narosa Publishing House},
	address = {New Delhi},
	edition = {2nd},
	url = {https://libgen.is/book/index.php?md5=30BDBE566A53BF3A773E5C0F040E6B47}
}