000
00294 a2200121 4500
080
_a
51
_b
H 774 I
245
1
_a
Ingenuity in mathematics
_c
by R. Honsberger
260
_a
New York
_b
Random House
_c
1970
650
_a
Mathematics
100
1
_a
Honsberger, R.
_d
300
_a
204 p.
901
_a
160731
999
_c
65754
_d
65754