Encyclopedia of Math
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Gui11еmin V., Sternberg S., Deformation theory of pseudogroup structures, Providence
http://libmeta.ru/resource/mathenc/publication/p3187
Данные
| bibliographicCitation | Gui11еmin V., Sternberg S., Deformation theory of pseudogroup structures, Providence, 1906 ("Mem. Amer. Math. Soc.", № 64) |