Inclusion results for convolution submethods. Osikiewicz, Jeffrey A., Khan, Mohammad K. (2004) International Journal of Mathematics and Mathematical Sciences
Inclusion theorems for absolute summability methods. Özarslan, H.S. (2003) JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
Integrability and L 1 -convergence of Rees-Stanojević sums with generalized semiconvex coefficients. Kaur, Kulwinder, Bhatia, S.S. (2002) International Journal of Mathematics and Mathematical Sciences
Iteration Products of Methods of Summability and Natural Scales. Bruce L.R. Shawyer (1974) Manuscripta mathematica