Cita APA (7th ed.)

Eckhaus, W. (1973). Matched asymptotic expansions and singular perturbations. North-Holland Pub. Co. ; American Elsevier Pub. Co..

Cita Chicago (17th ed.)

Eckhaus, Wiktor. Matched Asymptotic Expansions and Singular Perturbations. Amsterdam : New York: North-Holland Pub. Co. ; American Elsevier Pub. Co., 1973.

Cita MLA (8th ed.)

Eckhaus, Wiktor. Matched Asymptotic Expansions and Singular Perturbations. North-Holland Pub. Co. ; American Elsevier Pub. Co., 1973.