American Mathematical Monthly
Volume 96; Issue 42
|
|
3
|
|
8
|
|
10
|
|
11
|
|
12
|
|
13
|
|
14
|
|
15
|
|
17
|
|
18
|
|
20
|
|
23
|
|
24
|
|
25
|
|
26
|
|
31
|
|
35
|
|
36
|
|
51
|
|
55
|
|