APA (7th ed.) Citation

Košmanenko, V. D., Neidhardt, H., & Wollenberg, M. (1983). Singular perturbation and method of orthogonal extension. Akad. d. Wiss. d. DDR.

Chicago Style (17th ed.) Citation

Košmanenko, Volodymyr D., Hagen Neidhardt, and Manfred Wollenberg. Singular Perturbation and Method of Orthogonal Extension. Berlin: Akad. d. Wiss. d. DDR, 1983.

MLA (9th ed.) Citation

Košmanenko, Volodymyr D., et al. Singular Perturbation and Method of Orthogonal Extension. Akad. d. Wiss. d. DDR, 1983.