Journal of Classical Analysis · Volume 14, Issue 1 Four dimensional logarithmic transformation into ℒu 14-05 Pages 49-55 DOI 10.7153/jca-2019-14-05 Downloads Short PDF Full PDF PNG Authors Fatih Nuray Nimet Akin Keywords Tauberian condition logarithmic summability four dimensional summability method double sequences Pringsheim limit Subject classes 40B05 40C05