Eckhaus, W. (1973). Matched asymptotic expansions and singular perturbations. Amsterdam : New York: North-Holland Pub. Co. , American Elsevier Pub. Co..
Παραπομπή Chicago StyleEckhaus, Wiktor. Matched Asymptotic Expansions and Singular Perturbations. Amsterdam : New York: North-Holland Pub. Co. , American Elsevier Pub. Co., 1973.
Παραπομπή MLAEckhaus, Wiktor. Matched Asymptotic Expansions and Singular Perturbations. Amsterdam : New York: North-Holland Pub. Co. , American Elsevier Pub. Co., 1973.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.