Izv. Vyssh. Uchebn. Zaved. Mat., 1990 Number 1, Pages 81–83
(Mi ivm5291)
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Brief communications
Language-based and abstract hierarchies
Yu. M. Vazhenin Sverdlovsk
UDC:
512.510
Received: 29.03.1989
English version:
Soviet Mathematics (Izvestiya VUZ. Matematika), 1990,
34:1,
93–96
Bibliographic databases:
© , 2025
Fulltext:
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