The Julia Language, Jeff Bezanson, Alan Edelman, Stefan Karpinski, and Viral B. Shah, 2017SIAM Review, Vol. 59 (Society for Industrial and Applied Mathematics)DOI: 10.1137/141000671 - Foundational paper introducing Julia's design, emphasizing its 'two-language problem' solution, performance, and high-level expressiveness for scientific computing.
The Julia Language Manual, The Julia Project, 2024 - Official, comprehensive guide to Julia's syntax, features, and standard library, serving as a primary resource for learning and reference.