American Mathematical Monthly
Volume 62; Issue 14
|
|
5
|
|
7
|
|
10
|
|
15
|
|
16
|
|
17
|
|
24
|
|
25
|
|
27
|
|
30
|
|
33
|
|
34
|
|
37
|
|
51
|
|
58
|
|