Existence of Periodic Solutions for a Class of Second-Order Neutral Differential Equations with Multiple Deviating Arguments

by GUO,CHENGJUN, O’REGAN,DONAL, AGARWAL,RAVI P
Published 2010

Degree theory for the sum of VMO maps and maximal monotone maps

by Chen,Yuqing, O’Regan,Donal, Agarwal,Ravi P
Published 2011