Não informado. (2004). Balkan Journal of Geometry and its Applications. Geometry Balkan Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Balkan Journal of Geometry and Its Applications. Bucharest: Geometry Balkan Press, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Balkan Journal of Geometry and Its Applications. Geometry Balkan Press, 2004.
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