Não informado. (2005). Mathematical Notes of the Academy of Sciences of the USSR. Consultants Bureau.
Cita Chicago Style (17a ed.)Não informado. Mathematical Notes of the Academy of Sciences of the USSR. New York: Consultants Bureau, 2005.
Cita MLA (8a ed.)Não informado. Mathematical Notes of the Academy of Sciences of the USSR. Consultants Bureau, 2005.
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