000
00251nam a2200109 4500
008
160616s 000 0
245
_a
Operational calculus
100
_a
Krabbe, Gregers
500
_a
B48 L0
942
_c
BK
_2
BK3291
080
_a
514.143.2 KRA
999
_c
3291
_d
3291