By Shananin N.A.   in Acta Applicandae Mathematicae

ISSN:0167-8019|72|1-2|101-110

Springer Publishing Company ‎(2002)‎

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By Shananin N.   in Academy of Sciences of the USSR Mathematical Notes

ISSN:0001-4346|88|5-6|879-887

MAIK Nauka/Interperiodica‎(2010)‎

Access to resources Favorite 7.0713973