Progress of Theoretical PhysicsTomita-Tanaka Approximation in the Ising LimitL. A. Murray, B. FrankPublished Jan 1, 1973• 3 citationsPublisherAbstractL. A. Murray, B. Frank; Tomita-Tanaka Approximation in the Ising Limit, Progress of Theoretical Physics, Volume 49, Issue 1, 1 January 1973, Pages 355–356,DOI10.1143/ptp.49.355