K. B. Nurtazina, L.N. Gumilyov EURASIAN NATIONAL UNIVERSITY, G. E. Murzabekova, V.V. Provotorov, S. Seifullin Kazakh AgroTechnical University, Voronezh State University

N. Zh. Nauryzbayev, Institute of Theoretical Mathematics and Scientific Computations of the L.N. Gumilyov Eurasian National University, G.E. Taugynbayev, M. Beisenbek, QSI International School of Astana

S.A. Shchogolev, Odessa I.I. Mechnikov National University

B.A. Duisengaliyeva, L.N. Gumilyov EURASIAN NATIONAL UNIVERSITY, A.S. Naurazbekova

Yu. A. Farkov, Russian Presidential Academy Of National Economy And Public Administration (Ranepa)

M. Ilolov, Kh.S. Kuchakshoev, University of Central Asia

N. Temirgaliyev, L.N. Gumilyov EURASIAN NATIONAL UNIVERSITY

L.A. Alexeyeva, Institute of Mathematics and Mathematical Modelling, M.M. Akhmetzhanova

N. Temirgaliyev, Institute of Theoretical Mathematics and Scientific Computations ot L. N. Gumilyov Eurasian National University, G. Taugynbaeva, Sh. Abikenova