Jeffrey, Alan Some observations on the KP equation. (English) Zbl 0861.35099 Bull. Tech. Univ. Istanbul 47, No. 1-2, 105-120 (1994). MSC: 35Q53 58J72 × Cite Format Result Cite Review PDF
Taniuti, Tosiya; İnan, Esin The reductive perturbation method. I: General theory. (English) Zbl 0837.35029 Bull. Tech. Univ. Istanbul 47, No. 3, 115-144 (1994). MSC: 35C20 35L60 35L55 × Cite Format Result Cite Review PDF