Sansone, Giovanni Le equazioni differenziali lineari, omogenee, del quarto ordine, nel campo reale. (Italian) Zbl 0028.15603 Ann. Sc. Norm. Super. Pisa, II. Ser. 11, 151-195 (1942). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:Ordinary differential equations PDFBibTeX XMLCite \textit{G. Sansone}, Ann. Sc. Norm. Super. Pisa, II. Ser. 11, 151--195 (1942; Zbl 0028.15603) Full Text: Numdam EuDML