@book{8187,
	author = {Gupta, K P},
	title = {Topology},
	publisher = {Pragati Bhawan},
	year = {2021},
	address = {Meerut},
	edition = {26th ed.},
	note = {4974 02/01/2023 HBD23/9786 09/03/2023 Main Budget}
}