Bulletin of the Malaysian Mathematical Sciences Society, cilt.44, sa.2, ss.881-889, 2021 (SCI-Expanded)
In the present paper, we show that ϑ-convergent double series spaces CSϑ and the series space BV of double sequences of bounded variation are BDK-spaces and investigate their AK(ϑ) -space property, where ϑ∈ { p, bp, r}.