APA (7th ed.) Citation

Hellinger, E., De Branges, L., Gohberg, I., & Rovnyak, J. (1990). Topics in operator theory: Ernst D. Hellinger memorial volume. Birkhäuser Verlag.

Chicago Style (17th ed.) Citation

Hellinger, Ernst, Louis De Branges, I. Gohberg, and James Rovnyak. Topics in Operator Theory: Ernst D. Hellinger Memorial Volume. Basel ; Boston: Birkhäuser Verlag, 1990.

MLA (9th ed.) Citation

Hellinger, Ernst, et al. Topics in Operator Theory: Ernst D. Hellinger Memorial Volume. Birkhäuser Verlag, 1990.