Παραπομπή APA

Ladyzhenskaya, O. A., & Urlatseva, N. N. (1968). Linear and quasilinear elliptic equations. New York: Academic Press.

Παραπομπή Chicago Style

Ladyzhenskaya, Olga A., and Nina N. Urlatseva. Linear and Quasilinear Elliptic Equations. New York: Academic Press, 1968.

Παραπομπή MLA

Ladyzhenskaya, Olga A., and Nina N. Urlatseva. Linear and Quasilinear Elliptic Equations. New York: Academic Press, 1968.

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