APA引文

Eckham, W. (1973). Matched asymptotic expansions and singular perturbation. Amsterdam.

Chicago Edition Citation

Eckham, Wiktor. Matched Asymptotic Expansions and Singular Perturbation. Amsterdam, 1973.

MLA引文

Eckham, Wiktor. Matched Asymptotic Expansions and Singular Perturbation. Amsterdam, 1973.

警告：這些引文格式不一定是100％准確.