Chaotic Attractors in Crisis
Celso Grebogi, Edward Ott, and James A. Yorke
Phys. Rev. Lett. 48, 1507 (1982) - Published 31 May, 1982
Quantum Solution of the Calogero System by the Projection Method
John M. Gipson
Phys. Rev. Lett. 48, 1511 (1982) - Published 31 May, 1982