Karakhanyan, I. M., and M. I. Karakhanyan. 2009. “A REMARK ON ASYMPTOTIC PROPERTY OF COMMUTATORS”. Proceedings of the YSU A: Physical and Mathematical Sciences 43 (2 (219). Yerevan, Armenia:63-66. https://doi.org/10.46991/PYSU:A/2009.43.2.063.