Parks, P. C., & Hahn, V. (1993). Stability theory. Prentice Hall.
Chicago Style aipamenaParks, P. C., and Volker Hahn. Stability Theory. New York: Prentice Hall, 1993.
MLA aipamenaParks, P. C., and Volker Hahn. Stability Theory. Prentice Hall, 1993.
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