Kalita, E. A., Калита, Е. А., & Калита, Е. А. (1993). On nonlinear higher order elliptic systems positive in the first derivatives. Institute of Mathematics, NAS of Ukraine.
Chicago-Zitierstil (17. Ausg.)Kalita, E. A., Е. А Калита, und Е. А Калита. On Nonlinear Higher Order Elliptic Systems Positive in the First Derivatives. Institute of Mathematics, NAS of Ukraine, 1993.
MLA-Zitierstil (8. Ausg.)Kalita, E. A., et al. On Nonlinear Higher Order Elliptic Systems Positive in the First Derivatives. Institute of Mathematics, NAS of Ukraine, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.