207741document75410Pages from Том 21 Випуск 9 (51).pdfapplication/pdfda60e570b989cf9636266d569d20f2f8MD53647062017-01-12 10:21:02https://pure.iiasa.ac.at/id/eprint/14238/1/Pages%20from%20%D0%A2%D0%BE%D0%BC%2021%20%D0%92%D0%B8%D0%BF%D1%83%D1%81%D0%BA%209%20%2851%29.pdf