Ball, J. M. (1983). Systems of no linear partial differential equations [proceedings]. D Reidel.
Chicago Edition CitationBall, J M. Systems of No Linear Partial Differential Equations [proceedings]. Dordrecht: D Reidel, 1983.
ציטוט MLABall, J M. Systems of No Linear Partial Differential Equations [proceedings]. D Reidel, 1983.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.