2018 (15), №4

10.31063/2073-6517/2018.15-4.1

10.31063/2073-6517/2018.15-4.2

10.31063/2073-6517/2018.15-4.3

10.31063/2073-6517/2018.15-4.4

10.31063/2073-6517/2018.15-4.5

10.31063/2073-6517/2018.15-4.6

10.31063/2073-6517/2018.15-4.7

10.31063/2073-6517/2018.15-4.8

10.31063/2073-6517/2018.15-4.9

10.31063/2073-6517/2018.15-4.10

10.31063/2073-6517/2018.15-4.11

10.31063/2073-6517/2018.15-4.12

10.31063/2073-6517/2018.15-4.13

10.31063/2073-6517/2018.15-4.14