e-mail: veliev51@gmail.com ; veliev@kpi.kharkov.ua
tel.: +380990442549 ; +905370527686
web: www.eveliev.com
info.:https://www.researchgate.net/profile/Ei_Veliev
e-mail: veliev51@gmail.com ; veliev@kpi.kharkov.ua
tel.: +380990442549 ; +905370527686
web: www.eveliev.com
info.:https://www.researchgate.net/profile/Ei_Veliev