APA (7th ed.) Citation

Treves, F. (1968). Ovcyannikov theorem and hyperdifferential operators. Instituto de Matemática Pura e Aplicada.

Chicago Style (17th ed.) Citation

Treves, Francois. Ovcyannikov Theorem and Hyperdifferential Operators. Río de Janeiro: Instituto de Matemática Pura e Aplicada, 1968.

MLA (9th ed.) Citation

Treves, Francois. Ovcyannikov Theorem and Hyperdifferential Operators. Instituto de Matemática Pura e Aplicada, 1968.