000
00288nam a2200109Ia 4500
008
190428s9999||||xx |||||||||||||| ||und||
020
_a
81-7371-120-8
100
_a
Shashkin, Y.A.
_9
19835
245
_a
Fixed points
250
_b
1991. viii-77
260
_b
Universities press. Hyderabad, India
999
_c
19626
_d
19626