Dold,A.ed, & Eckmann,B. (1975). Spectral theory and Differential Equations.448. Springer-Verlag.
Chicago Edition CitationDold,A.ed, i Eckmann,B. Spectral Theory and Differential Equations.448. Berlin: Springer-Verlag, 1975.
Cita MLADold,A.ed, i Eckmann,B. Spectral Theory and Differential Equations.448. Springer-Verlag, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.