Hoare, C., Jifeng, H., & Friesen, O. (1987). Design and Proof of a Mail Service.
Chicago-čujuhus (17. p.)Hoare, C., H. Jifeng, juo O. Friesen. Design and Proof of a Mail Service. 1987.
MLA-čujuhus (9. p.)Hoare, C., et al. Design and Proof of a Mail Service. 1987.
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