TY - Computer Science A1 - ZHANG Jian-an T1 - Users’ Sensitive Information Hiding Method in Hierarchical Heterogeneous Network Based on Mobile Switching Authentication Y1 - 2019-03-15 JF - Computer Science JO - Computer Science SP - 217 EP - 220 VL - 46 IS - 3 UR - https://www.jsjkx.com N1 - 10.11896/j.issn.1002-137X.2019.03.032 ER -