marți, 29 august 2017

Gazeta Matematica Seria B N0 6-7-8/2017

la link
https://issuu.com/leonpetrakovsky/docs/gazmatserb_6-7-8--2017
sau
https://www.scribd.com/document/357536594/Gazeta-Matematica-Seria-B-N0-6-7-8-2017

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