Russian Mathematics
Russian Mathematics > 2009 > 53 > 3 > 29-44
Russian Mathematics > 2009 > 53 > 3 > 56-60
Russian Mathematics > 2009 > 53 > 3 > 1-28
Russian Mathematics > 2009 > 53 > 3 > 45-55
Russian Mathematics > 2009 > 53 > 3 > 61-66