Author: Kolpakova O.
Publisher: MAIK Nauka/Interperiodica
ISSN: 0001-4346
Source: Academy of Sciences of the USSR Mathematical Notes, Vol.89, Iss.3-4, 2011-04, pp. : 504-518
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Abstract