000 00288nam a2200109Ia 4500
008 190428s9999||||xx |||||||||||||| ||und||
020 _a81-7371-120-8
100 _aShashkin, Y.A.
_919835
245 _aFixed points
250 _b1991. viii-77
260 _bUniversities press. Hyderabad, India
999 _c19626
_d19626