| 000 | 00355nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 230727s9999||||xx |||||||||||||| ||und|| | ||
| 041 | _aeng | ||
| 082 | _bN70 SIN | ||
| 100 |
_a Singer, Ivan _93363 |
||
| 245 | 0 |
_a Best approximation in normed linear spaces by elements of linear subspaces _c Singer, Ivan |
|
| 260 |
_b Springer-Verlag _c1970 |
||
| 942 | _cBK | ||
| 999 |
_c19312 _d19312 |
||