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/ grig -- grn / 00712
- OCR-text (abbyy)
Griss. George Francois Cornelis Differentialinvarianten von Systemen von Vektoren. 8:o Groningen 1925. Diss.Amsterdam.
- OCR-text (abbyy-crop)
Griss, George François Cornelis Differentialinvarianten von Systemen von Vektoren. 8:o Groningen 1925. Diss.Amsterdam.
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