AgarwalP., JabeenT., LupulescuV. and O’ReganD. (2018) “Existence of global solutions for some classes of integral equations”, Ukrains’kyi Matematychnyi Zhurnal, 70(1), pp. 130-148. Available at: http://umj.imath.kiev.ua/index.php/umj/article/view/1546 (Accessed: 2December2020).