Author(s):
Ruzakova O.A.PhD.
Position: Assistent
Address: 454014, Russia, Chelyabinsk
Phone Office: (3512) 42 04 09
E-mail: amber@csu.ac.ru
Fedorov V.E.PhD. , Associate Professor
Position: Associate Professor
Address: 454021, Russia, Chelyabinsk
Phone Office: (3512) 42 04 09
E-mail: kar@csu.ru