ISSN | 1439-8516 |

e-ISSN | 1439-7617 |

# Acta Mathematica Sinica, English Series

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Acta Mathematica Sinica, English Series > 2019 > 35 > 12 > 1972-1978

*D*,

*k*≥ 4 be a positive integer, and let

*a*(

*z*) and

*b*(

*z*) be two holomorphic functions on

*D*, where

*a*(

*z*) ≢ 0 and

*f*(

*z*) ≢ ∞ whenever

*a*(

*z*) = 0. If for any $$f \in \mathcal{F}$$ f ∈ F ,

*f*′(

*z*) −

*a*(

*z*)

*f*

^{k}(...

Acta Mathematica Sinica, English Series > 2019 > 35 > 12 > 1945-1962

^{2}. Meanwhile, we derive its holomorphic anomaly equation.

Acta Mathematica Sinica, English Series > 2019 > 35 > 12 > 1937-1944