APA (7th ed.) Citation

Belgacem, F. (1997). Elliptic boundary value problems with indefinite weights: Variational formulations of the principal eigenvalue and applications. Longman.

Chicago Style (17th ed.) Citation

Belgacem, Fethi. Elliptic Boundary Value Problems with Indefinite Weights: Variational Formulations of the Principal Eigenvalue and Applications. Harlow: Longman, 1997.

MLA (8th ed.) Citation

Belgacem, Fethi. Elliptic Boundary Value Problems with Indefinite Weights: Variational Formulations of the Principal Eigenvalue and Applications. Longman, 1997.