Erugin, N. P. (1966). Linear systems of ordinary differential equations with periodic and quasi-periodic coefficients. Academic Press.
Chicago-Zitierstil (17. Ausg.)Erugin, Nikolay P. Linear Systems of Ordinary Differential Equations with Periodic and Quasi-periodic Coefficients. Nueva York: Academic Press, 1966.
MLA-Zitierstil (9. Ausg.)Erugin, Nikolay P. Linear Systems of Ordinary Differential Equations with Periodic and Quasi-periodic Coefficients. Academic Press, 1966.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.