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1by Chernykh, E. N (Evgeniĭ Nikolaevich), Chernykh, E. N (Evgeniĭ Nikolaevich), 1935-, Chernykh, E. N (Evgeniĭ Nikolaevich), Chernykh, E. N (Evgeniĭ Nikolaevich), 1935-“...Mathematics and its applications (Sŭi͡uz na matematit͡site v Bŭlgarii͡a)...”
Published 1966
Book