[1]
E. Danielian and S. Arzumanyan, “STABILITY OF FREQUENCY DISTRIBUTION IN FRAME OF NATURAL PARAMETRIZATION. I”, Proc. YSU A: Phys. Math. Sci., vol. 45, no. 1 (224), pp. 18–22, Feb. 2011, doi: 10.46991/PYSU:A/2011.45.1.018.