Martirosyan, M. S. “THE UNIFORMLY SUMMATION OF BIORTHOGONAL EXPANSIONS BY THE INCOMPLETE SYSTEM OF RATIONAL FUNCTIONS IN HARDY’S SPACES”. Proceedings of the YSU A: Physical and Mathematical Sciences, vol. 38, no. 3 (205), Oct. 2004, pp. 35-41, doi:10.46991/PYSU:A/2004.38.3.035.