Philip Hartman

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Ordinary differential equations, Second Edition

Philip Hartman, P. Hartman, 2002, Classics in applied mathematics.

ESB Enablement of an International Corporate Acquisition, an Experience Report

Philip Hartman, 2008, 2008 IEEE International Conference on Global Software Engineering.

Difference equations: disconjugacy, principal solutions, Green’s functions, complete monotonicity

Philip Hartman, P. Hartman, 1978 .

On isometries and on a theorem of Liouville

Philip Hartman, 1958 .

On the Spherical Approach to the Normal Distribution Law

Aurel Wintner, Philip Hartman, P. Hartman, 1940 .

On the Local Uniqueness of Geodesics

Philip Hartman, P. Hartman, 1950 .

Asymptotic Integrations of Linear Differential Equations

Aurel Wintner, Philip Hartman, P. Hartman, 1955 .

On completely continuous Hankel matrices

Philip Hartman, P. Hartman, 1958 .

ON THE BOUNDED SLOPE CONDITION

Philip Hartman, P. Hartman, 1966 .

Mean motions and almost periodic functions

Philip Hartman, 1939 .

The existence of large or small solutions of linear differential equations

Philip Hartman, P. Hartman, 1961 .

On Homotopic Harmonic Maps

Philip Hartman, P. Hartman, 1967, Canadian Journal of Mathematics.

On boundary value problems for superlinear second order differential equations

Philip Hartman, P. Hartman, 1977 .

On the Products of Solutions of Second Order Disconjugate Differential Equations and the Whittaker Differential Equation

Philip Hartman, P. Hartman, 1977 .

GEODESIC PARALLEL COORDINATES IN THE LARGE.

Philip Hartman, P. Hartman, 1964 .

On boundary value problems for systems of ordinary, nonlinear, second order differential equations

Philip Hartman, P. Hartman, 1960 .

On an Oscillation Criterion of Liapounoff

Aurel Wintner, Philip Hartman, P. Hartman, 1951 .

THE SPECTRA OF TOEPLITZ'S MATRICES.*

Aurel Wintner, Philip Hartman, P. Hartman, 1950 .

Oscillation criteria for self-adjoint second-order differential systems and “principal sectional curvatures”

Philip Hartman, P. Hartman, 1979 .

On Non-Oscillatory Linear Differential Equations of Second Order

Philip Hartman, P. Hartman, 1952 .

On nonoscillatory linear differential equations of second order

Philip Hartman, 1977 .

On Spherical Image Maps Whose Jacobians Do Not Change Sign

Philip Hartman, Louis Nirenberg, P. Hartman, 1959 .

On Linear Second Order Differential Equations with Small Coefficients

Philip Hartman, 1951 .

On solutions of the Helmholtz equation in exterior domains

Philip Hartman, P. Hartman, C. Wilcox, 1961 .

Self-adjoint, non-oscillatory systems of ordinary, second order, linear differential equations

Philip Hartman, P. Hartman, 1957 .

"Normal" Distribution Functions on Spheres and the Modified Bessel Functions

Geoffrey S. Watson, Philip Hartman, P. Hartman, 1974 .