WRITERS
Udal'tsov Valerii Georgievich
Place of work (study):
Moscow State Regional University
Contacts:
uvg1951@mail.ru.
Publications:
ESGI No. 1.13 (2017), No. 2.14 (2017), No. 3.15 (2017), No. 4.16 (2017)
ESGI No. 1.13 (2017), No. 2.14 (2017), No. 3.15 (2017), No. 4.16 (2017)