TY - BOOK AU - Guo, Zihua. AU - Guo, Zihua. AU - Nakanishi, Kenji. TI - The Zakharov sytem in 4D radial energy space below the ground state U1 - DPer 510.5 Am351 October - December 2021 v143 no. 5-6 PY - 2021///. CY - Baltimore, MaryLand U.S., PB - Johns Hopkins University Press, KW - Mathematics KW - Mathematical analysis KW - Functions ER -