@book{37668,
	author = {Vălean, Cornel Ioan,},
	title = {(Almost) Impossible Integrals, Sums, and Series /},
	publisher = {Springer International Publishing :},
	year = {2019.},
	series = {Problem Books in Mathematics,},
	address = {Cham :},
	edition = {1st ed. 2019.}
}