TY - Acta mathematica scientia,Series B A1 - Ruifeng QIU, Yanqing ZOU T1 - SOME RESULTS ON HEEGAARD SPLITTING Y1 - 2022-12-25 JF - Acta mathematica scientia, Series B JO - Acta mathematica scientia,Series B SP - 2437 EP - 2449 VL - 42 IS - 6 UR - http://121.43.60.238/sxwlxbB N1 - 10.1007/s10473-022-0612-z ER -