Dear colleagues,

Considering all requests on the papers you are interested in: the full-text English version

of these are unavailable to me. One should apply to the www sites of respective journals.

As to the Russian version of the publications these are available in open access at

the www sites of respective journals (https://ecfor.ru/nauchnye-izdaniya/problemy-prognozirovaniya/arhiv-nomerov/)

and https://www.ras.ru/publishing/rasherald/rasherald_pdf.aspx

Respectfully, Boris Porfiriev