id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ejpam-1478	Hristova, Snezhana; Stefanova, Kremena	Practical Stability of Impulsive Differential Equations with “Supremum” by Integral Inequalities	2012	15	.pdf	application/pdf	5152	356	79	Using the convergence of Wallis product ∞ ∏ n=1 � 1+ 1 4n2−1 � = π 2 , it follows Ψ(t0, t) ≤ π 2 for any t, t0 ∈ R+. = x0 (41) where x ∈ R and t0 ∈ R+.	cache/ejpam-1478.pdf	txt/ejpam-1478.txt