Second-order nonlinear differential operators possessing invariant subspaces of submaximal dimension
朱春蓉
Second-order nonlinear differential operators possessing invariant subspaces of submaximal dimension
Zhu Chun-Rong(朱春蓉)
中国物理B . 2011, (1): 10201 -010201 .  DOI: 10.1088/1674-1056/20/1/010201