%0 Journal Article %A László Tóth %A Wenguang Zhai %T On the error term concerning the number of subgroups of the groups $\mathbb {Z}_m \times \mathbb {Z}_n$ with $m,n\le x$ %J Acta Arithmetica %D 2018 %P 285-299 %V 183 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa171111-7-2/ %R 10.4064/aa171111-7-2 %G en %F 10_4064_aa171111_7_2