Theoretical and Mathematical Physics
Theoretical and Mathematical Physics > 2014 > 180 > 1 > 781-794
Theoretical and Mathematical Physics > 2014 > 180 > 2 > 881-893
Theoretical and Mathematical Physics > 2014 > 180 > 1 > 781-794
Theoretical and Mathematical Physics > 2014 > 180 > 2 > 881-893