Bulletin of the Lebedev Physics Institute
Bulletin of the Lebedev Physics Institute > 2017 > 44 > 8 > 219-222
Bulletin of the Lebedev Physics Institute > 2018 > 45 > 1 > 29-34
Bulletin of the Lebedev Physics Institute > 2018 > 45 > 7 > 195-198
Bulletin of the Lebedev Physics Institute > 2018 > 45 > 8 > 241-245