By Derkahov S.   Manashov A.   in Journal of Mathematical Sciences

ISSN:1072-3374|168|6|837-855

Springer Publishing Company ‎(2010)‎

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By Derkachov S É   Manashov A N   in Journal of Physics A: Mathematical and Theoretical

ISSN:1751-8121|47|30|305204-305228

IOP Publishing‎(2014)‎

Access to resources Favorite 2.1455984