Encyclopedia of Math
Encyclopedia sourcePublicationDocument
"Michigan Math. J."
http://libmeta.ru/resource/mathenc/publication/p2708
Данные
| bibliographicCitation | Robertson S. A., "Michigan Math. J.", 1964, v. 11, p. 97-105; [З] Wegner В., "Math. Nachr.", 1972, Bd 53, S. 337-44; 1975, Bd 67, S. 213 - 23 |
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