000
00317nam a2200121 4500
008
160616s 000 0
245
_a
Challengin mathematical problems with elementary solutions, V.2
100
_a
Yaglom, A.M
100
_a
Yaglom, I.M
500
_a
B K73.1
942
_c
BK
_2
BK2176
080
_a
51(076) YAM
999
_c
2176
_d
2176