A. A. Nersesyan, “Bounded point derivations on $R(X)$ and approximation with simultaneous interpolation”, Mat. Zametki, 49:3 (1991), 66–72; Math. Notes, 49:3 (1991), 272–276
1988
2.
A. H. Nersessian, “On decomposition of functions approximable by means of analytical ones”, Proceedings of the YSU, Physical and Mathematical Sciences, 1988, no. 2, 17–21
