APA (7th ed.) Citation

Lavrentʹev, M. A. (1963). Variational methods: For boundary value problems, for systems of elliptic equations. Authorized transl. from the Russian. Noordhoff.

Chicago Style (17th ed.) Citation

Lavrentʹev, Michail Alekseevič. Variational Methods: For Boundary Value Problems, for Systems of Elliptic Equations. Authorized Transl. from the Russian. Groningen: Noordhoff, 1963.

MLA (9th ed.) Citation

Lavrentʹev, Michail Alekseevič. Variational Methods: For Boundary Value Problems, for Systems of Elliptic Equations. Authorized Transl. from the Russian. Noordhoff, 1963.