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Message * Problemy Prostranstva, Vremeni, Dvizhenii︠a︡ Sbornik Trudov Iv Mezhdunarodnoĭ Konferent︠s︡ii, Posvi︠a︡shchennoĭ 400-Letii︠u︡ Dekarta i 350-Letii︠u︡ Leĭbnit︠s︡a, Senti︠a︡brʹ 23-29 1996, Sankt-Peterburg, Rossii︠a︡ - 5900786080 - 9785900786087