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Publications by Philip Hartman
On the Isometric Immersions in Euclidean Space of Manifolds With Nonnegative Sectional Curvatures. II
Transactions of the American Mathematical Society
Mathematics
Applied Mathematics
Difference Equations: Disconjugacy, Principal Solutions, Green’s Functions, Complete Monotonicity
Transactions of the American Mathematical Society
Mathematics
Applied Mathematics
Unrestricted Solution Fields of Almost-Separable Differential Equations
Transactions of the American Mathematical Society
Mathematics
Applied Mathematics
Asymptotic Integration of Ordinary Differential Equations
SIAM Journal on Mathematical Analysis
Computational Mathematics
Applied Mathematics
Analysis
On a Comparison Theorem for Selfadjoint Partial Differential Equations of Elliptic Type
Proceedings of the American Mathematical Society
Mathematics
Applied Mathematics
On the Asymptotic Integration of Ordinary Differential Equations
Pacific Journal of Mathematics
Mathematics
Remarks on Geodesics
Proceedings of the American Mathematical Society
Mathematics
Applied Mathematics
On Invariant Sets and on a Theorem of Ważewski
Proceedings of the American Mathematical Society
Mathematics
Applied Mathematics
An Inequality for the First Eigenvalue of an Ordinary Boundary Value Problem
Quarterly of Applied Mathematics
Applied Mathematics
Note on the Habits of Osmia Georgica Cresson as Ascertained by the Glass-Tube Method
Psyche (New York)
Insect Science
Evolution
Ecology
Systematics
Behavior