EniOluwafe, M.2023-02-102023-02-102009ui_inpro_enioluwafe_g-theory_2009In: Ayoola, E. O., Payne, V.F., and Ajayi, D. O. A. (eds.) Proceedings of a Memorial Conference in honour of late Professor C. O. A. Sowunmi, On Advances in Mathematics, held at the Department of Mathematics, University of Ibadan, Ibadan on 15 January, pp. 225-228http://ir.library.ui.edu.ng/handle/123456789/7898enOther