Freiling, G., & Yurko, V. A. (2008). Lectures on the differential equations of mathematical physics: A first course. Nova Science Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFreiling, G., और V. A. Yurko. Lectures on the Differential Equations of Mathematical Physics: A First Course. New York: Nova Science Publishers, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFreiling, G., और V. A. Yurko. Lectures on the Differential Equations of Mathematical Physics: A First Course. Nova Science Publishers, 2008.
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