ZhETF, Vol. 39,
p. 120 (January 1961)
(English translation - JETP,
The issue content is only available in english translation.
An Asymptotically Exact Solution for the Model Hamiltonian of the Theory of Superconductivity
N.N. Bogolyubov, D.N. Zubarev, Yu. A. Tserkovnikov
Received: February 13, 1960