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Books about Shargei:
Traektoriia sudby: Dokumentalnaia povest : IU.V. Kondratiuk (A.I. Shargei) (Zemliaki) (Russian Edition) by Aleksandr Rappoport (1990)
Wiki information Shargei:
Yuriy Vasilievich Kondratyuk, real name Aleksandr Ignatyevich Shargei, was a Ukrainian and Soviet engineer and mathematician. He is a pioneer of astronautics and spaceflight, a theoretician and a visionary who, in the early 20th century, developed...