Search results for: V. V. Valkov
Theoretical and Mathematical Physics > 2017 > 191 > 2 > 752-763
Bulletin of the Russian Academy of Sciences: Physics > 2011 > 75 > 5 > 639-641
Theoretical and Mathematical Physics > 2017 > 191 > 2 > 752-763
Bulletin of the Russian Academy of Sciences: Physics > 2011 > 75 > 5 > 639-641