Modern problems of science and education

Kharagezov D.A., Antonyan A.A., Ulyanova E.P., Sagakyants A.B., Zlatnik E.Y., Vitkovskaya V.N., Mirzoyan E.A., Ayrapetova T.G., Milakin A.G., Stateshnyy O.N., Iozefi K.D.

Kamalyan A.V.