APA (7th ed.) Citation

Bouldin Richard. (1990). The distance to operators with a fixed index.

Chicago Style (17th ed.) Citation

Bouldin Richard. The Distance to Operators with a Fixed Index. 1990.

MLA (8th ed.) Citation

Bouldin Richard. The Distance to Operators with a Fixed Index. 1990.

Warning: These citations may not always be 100% accurate.