Theorem Concerning the Singular Points of Ordinary Linear Differential Equations
Proc Natl Acad Sci U S A
.
1915 Dec;1(12):578-81.
doi: 10.1073/pnas.1.12.578.
Author
G D Birkhoff
1
Affiliation
1
Department of Mathematics, Harvard University.
PMID:
16576075
PMCID:
PMC1090901
DOI:
10.1073/pnas.1.12.578
No abstract available