A.M. Blokhin
Differential Equations, Novosibirsk Institute of Mathematics, Novosibirsk, Russian
R.D. Alaev
Computations technologies and mathematical modeling, National University of Uzbekistan, Tashkent, Uzbekistan
M.U. Hudayberganov
Computations technologies and mathematical modeling, National University of Uzbekistan, Tashkent, Uzbekistan