000
00270nam a2200097Ia 4500
008
190428s9999||||xx |||||||||||||| ||und||
100
_a
Martin, D.
_9
20842
245
_a
Solving problems in complex numbers
250
_b
1968. 90
260
_b
Oliver and Boyd. Edinburgh, U.K.
999
_c
20592
_d
20592