Functional programming returns

Long ago I took a huge interest in functional programming languages and their theory underpinnings. My master's thesis also was related to functional programming. But later I went into full-time position in industry and cruel nature of business started putting its real-world limitations on technology selection for software projects... In recent issue of local IT magazine a second in a series article on functional programming was published and I really enjoyed going back to the times when I lived in this world. So if you happen to know Russian and know something about functional programming or, probably, think you know everything about programming, but never heard the words Haskell, higher-order function or strong typing, I encourage you check out these articles: