Interacting electrons model exactly solvable in any dimension
Arianna Montorsi and Mario Rasetti
Phys. Rev. Lett. 66, 1383 (1991) - Published 18 March, 1991
Does quantum mechanics violate the Bell inequalities?
Emilio Santos
Phys. Rev. Lett. 66, 1388 (1991) - Published 18 March, 1991