[1] Lomonosov Moscow State Univ, Fac Phys, Dept Math, Moscow 119991, Russia
[2] Russian Acad Sci, Schmidt Insitute Phys Earth, Moscow 123995, Russia
[3] Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
[4] Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, Beijing 100029, Peoples R China
[5] Univ Chinese Acad Sci, Beijing 100049, Peoples R China