@book{21275,
	author = {Faizan Abbas (16364) },
	title = {Semi - invariants for system linear parabolic partial differential equations },
	publisher = {(unpublished) },
	year = {2018},
	address = {Islamabad},
	note = {Submitted in fulfillment of the requirements for the degree of M.Phill Mathematics to the Department of Mathematics and Statistics. }
}
