Agarwal Ravi P. Regularity of difference equations on banach spaces - Cham Springer 2014 - xv;208p. cm. ISBN: 5691.7799999999997 Standard No.: 126214 Source: 383, 18/03/2015, Vardhman Books Textual Subjects--Topical Terms: Mathematics SAP Dewey Class. No.: B33, Q4