Hayashi, N., & Naumkin, P. I. The Initial Value Problem for the Quadratic Nonlinear Klein-Gordon Equation. Wiley.
Chicago Style (17th ed.) CitationHayashi, Nakao, and Pavel I. Naumkin. The Initial Value Problem for the Quadratic Nonlinear Klein-Gordon Equation. Wiley.
MLA (9th ed.) CitationHayashi, Nakao, and Pavel I. Naumkin. The Initial Value Problem for the Quadratic Nonlinear Klein-Gordon Equation. Wiley.
Warning: These citations may not always be 100% accurate.