Não informado. (1988). Differential and integral equations. Ohio University, Department of Mathematics.
Chicago-Zitierstil (17. Ausg.)Não informado. Differential and Integral Equations. Athens, Ohio: Ohio University, Department of Mathematics, 1988.
MLA-Zitierstil (8. Ausg.)Não informado. Differential and Integral Equations. Ohio University, Department of Mathematics, 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.