Sargsyan, D.S. “ON THE POSSIBILITY OF GROUP-THEORETIC DESCRIPTION OF AN EQUIVALENCE RELATION CONNECTED TO THE PROBLEM OF COVERING SUBSETS IN FINITE FIELDS WITH COSETS OF LINEAR SUBSPACES”. Proceedings of the YSU A: Physical and Mathematical Sciences, vol. 53, no. 1 (248), Apr. 2019, pp. 23-27, doi:10.46991/PYSU:A/2019.53.1.023.