@book{22507,
	author = {Das,B.C.  and Mukherjee, B.N.},
	title = {Integral Calculus Differential Equations:},
	publisher = {U.N.Dhur & Sons;},
	year = {2022.},
	address = {Kalkata:},
	edition = {61st ed.},
	note = {Include Index}
}