Beurling-Ahlfors扩张
beurling-ahlfors extension
the extension of Beurling-Ahlfors
Beurling-Ahlfors’ extension
Cauchy-Kowalewski扩张
Cauchy-Kowalewski extension
Kahan矩阵扩张定理
Kahan’s matrix extension theorem
L型模糊集的广义扩张原理
the general extended principle of L-fuzzy set
N型扩张自映射
N type of expanding self-map
S^1-不变G-扩张解
S^1-invariant G-extended solution