- G. G. Gevorkyan, “Uniqueness theorem for multiple Franklin series”, Math Notes, 101, № 1-2, 2017,
219 
- G. G. Gevorkyan, K. A. Keryan, “On a generalization of general Franklin system on R”, J. Contemp. Mathemat. Anal., 49, № 6, 2014,
309 - L. Hakobyan, K. Keryan, “Unconditionality of Periodic Orthonormal Spline Systems in $\boldsymbol{H}^{\mathbf{1}}\boldsymbol{(\mathbb{T})}$: Sufficiency”, J. Contemp. Mathemat. Anal., 59, № 3, 2024,
163