Fehrman, J. (1974). Hybrids between hyperbolic and elliptic differential operators with constant coefficients.
Chicago-Zitierstil (17. Ausg.)Fehrman, Johan. Hybrids Between Hyperbolic and Elliptic Differential Operators with Constant Coefficients. 1974.
MLA-Zitierstil (9. Ausg.)Fehrman, Johan. Hybrids Between Hyperbolic and Elliptic Differential Operators with Constant Coefficients. 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.