Linear operators and their spectra with applications to quantum mechanics.

From lectures given at the New York university Institute for mathematica and mechanics, by R. Cournat and others.

On the identification of multi-output linear time-invariant and periodic dynamic systems /

Includes bibliographies (p. 27-29).

Optical properties of quadrupole multiplets for sector focusing in the two-mile accelerator /

"AEC Contract AT(04-3)-400."

Atomic energy levels as derived from the analyses of optical spectra.

"Issued April 15, 1948."