@book{21484,
	author = {KYUNGPOOK},
	title = {KYUNGPOOK Mathematical Journal},
	publisher = {Department of Mathematics, Kyungpook National University},
	year = {c.2017},
	address = {Korea},
	note = {Vol. 57, no. 2(June.2017)- ; Vol. 57, no.3(September.2017)-}
}