Persons RUS  ENG    JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PACKAGE AMSBIB     O'Regan, Donal E-mail: https://www.mathnet.ru/eng/person37160 List of publications on Google Scholar https://mathscinet.ams.org/mathscinet/MRAuthorID/132880 Publications in Math-Net.Ru Citations 2005 1. R. P. Agarwal, K. Perera, D. O'Regan, “Positive Solutions of Higher-Order Singular Problems”, Differ. Uravn., 41:5 (2005),  702–705    ; Differ. Equ., 41:5 (2005), 739–743 4 2002 2. R. P. Agarwal, D. O'Regan, “Singular differential, integral and discrete equations: the semipositone case”, Mosc. Math. J., 2:1 (2002),  1–15         8 Organisations National University of Ireland, Galway