TY - Acta mathematica scientia,Series A A1 - Nana Lu,Jinghu Yu T1 - Research on Resolution Based on EM Algorithm Y1 - 2019-06-26 JF - Acta mathematica scientia, Series A JO - Acta mathematica scientia,Series A SP - 638 EP - 648 VL - 39 IS - 3 UR - http://121.43.60.238/sxwlxbA N1 - ER -