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西文图书1.Second order equations with nonnegative characteristic form / O175.23/O45
馆藏复本:3
可借复本:2 [by] O. A. Oleinik and E. V. Radkevic ; Translated from Russian by Paul C. Fife.
American Mathematical Society, [1973]
(0) 馆藏
馆藏复本:3
可借复本:2 [by] O. A. Oleinik and E. V. Radkevic ; Translated from Russian by Paul C. Fife.
American Mathematical Society, [1973]
(0) 馆藏