Contents
Journal: Proceedings of Petrozavodsk State University @uchzap-petrsu
Section: Contents
Article in issue: 2 (115), 2011.
Free access
Short address: https://sciup.org/14751358
ID: 14751358
Journal: Proceedings of Petrozavodsk State University @uchzap-petrsu
Section: Contents
Article in issue: 2 (115), 2011.
Free access
Short address: https://sciup.org/14751358
ID: 14751358