000
00262nam a2200097Ia 4500
008
190428s9999||||xx |||||||||||||| ||und||
100
_a
Vilenkin, N.Y.
_9
19711
245
_a
Method of successive approximations
250
_b
1979. 109
260
_b
Mir. Moscow, U.S.S.R.
999
_c
19500
_d
19500