000
00283nam a2200121 4500
008
160616s 000 0
245
_a
Hill's equation
100
_a
Magnus, Wilhelm
100
_a
Winkler, Stanley
500
_a
B33,1,2:286 K6
942
_c
BK
_2
BK4434
080
_a
517.9 MAG
999
_c
4434
_d
4434