Contents
Journal: Proceedings of Petrozavodsk State University @uchzap-petrsu
Section: Contents
Article in issue: 11 (105), 2009.
Free access
Short address: https://sciup.org/14751331
ID: 14751331
Journal: Proceedings of Petrozavodsk State University @uchzap-petrsu
Section: Contents
Article in issue: 11 (105), 2009.
Free access
Short address: https://sciup.org/14751331
ID: 14751331