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References
V. S. Varadarajan
Probability in physics and a theorem on simultaneous observability![Open Access Link](images/OAlink.png)
1975
in: The logico-algebraic approach to quantum mechanics I, Dordrecht : Springer
![Open Access Link](images/OAlink.png)
1975
in: The logico-algebraic approach to quantum mechanics I, Dordrecht : Springer