American Mathematical Monthly
Volume 74; Issue 24
|
|
5
|
|
6
|
|
10
|
|
11
|
|
14
|
|
17
|
|
19
|
|
20
|
|
22
|
|
25
|
|
26
|
|
37
|
|
38
|
|
39
|
|
40
|
|
41
|
|
42
|
|
43
|
|
44
|
|
46
|
|
48
|
|
50
|
|
52
|
|
56
|
|
57
|
|
58
|
|
68
|
|
69
|
|