id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ma-134	Zhang, Dongwen; Rassias, John Michael; Liu, Qi; Li, Yongjin	A Note on the Stability of Functional Equations via a Celebrated Direct Method	2022	19	.pdf	application/pdf	7089	399	78	Furthermore, we continue to construct and study a couple of functional equations bymaking a new direct method. Introduction The core idea of the Hyers-Ulam stability for functional equations has been dated back to awell-known problem concerning about group homomorphisms solved by S.M. Ulam and D.H. Hyers(see	cache/ma-134.pdf	txt/ma-134.txt