S. H. Jilavyan and A. Z. Khurshudyan, “AVERAGED CONTROLLABILITY OF THERMOELASTICITY EQUATIONS. AVERAGE STATE OF A RECTANGULAR PLATE”, Proc. YSU A: Phys. Math. Sci., vol. 55, no. 2 (255), pp. 123–130, Aug. 2021, doi: 10.46991/PYSU:A/2021.55.2.123.