APA (7th ed.) Citation

Filippov, V. M. (1989). Variational principles for nonpotential operators. American Math. Society.

Chicago Style (17th ed.) Citation

Filippov, Vladimir M. Variational Principles for Nonpotential Operators. Providence, R.I: American Math. Society, 1989.

MLA (9th ed.) Citation

Filippov, Vladimir M. Variational Principles for Nonpotential Operators. American Math. Society, 1989.