共 50 条
- [4] Recent Mathematical Stamps: 2008–2009 [J]. The Mathematical Intelligencer, 2012, 34 (1) : 74 - 74
- [5] Recent Mathematical Stamps: 2003−2004 [J]. The Mathematical Intelligencer, 2010, 32 (2) : 82 - 82
- [6] Recent Mathematical Stamps: 2007-2008 [J]. The Mathematical Intelligencer, 2011, 33 (3) : 166 - 166