分面浏览：发表日期 |
| 当前检索式 | ((ALL：upper and lower solutions)) |
| 限定条件 | 无 |
| 2024 1 | 2023 1 | 2022 8 |
| 2021 1 | 2020 1 | 2019 11 |
| 2018 13 | 2017 8 | 2016 11 |
| 2015 14 | 2014 21 | 2013 2 |
| 2012 10 | 2011 13 | 2010 27 |
| 2009 15 | 2008 16 | 2007 9 |
| 2006 13 | 2005 7 | 2004 4 |
| 2003 4 | 2002 5 | 2001 5 |
| 2000 4 | 1999 6 | 1998 2 |
| 1997 2 | 1995 4 | 1994 2 |
| 1992 1 | 1991 1 | 1985 1 |
