Petrosyan, A. and Mkrtchyan, E. (2013) “DUALITY IN SOME SPACES OF FUNCTIONS HARMONIC IN THE UNIT BALL”, Proceedings of the YSU A: Physical and Mathematical Sciences. Yerevan, Armenia, 47(3 (232), pp. 29–36. doi: 10.46991/PYSU:A/2013.47.3.029.