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Browsing by Author Penkin, O. M.

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Showing results 1 to 4 of 4
Issue DateTitleAuthor(s)
2007A necessary condition for an extremum on a stratified setOshchepkova, S. N.; Penkin, O. M.
2011Maximum principle for subharmonic functions on a stratified setOshchepkova, S. N.; Penkin, O. M.
2007The mean-value theorem for elliptic operators on stratified setsOshchepkova, S. N.; Penkin, O. M.
2007Weak maximum principle for elliptic operators on a stratified setGavrilov, A. A.; Penkin, O. M.