| 000 | 00357nam a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 220816s9999||||xx |||||||||||||| ||und|| | ||
| 020 | _a821822187 | ||
| 245 | 0 |
_aSurfaces of nonpositive curvature _cEberlein, Patrick, |
|
| 260 |
_aProvidence : _bAmerican Mathematical Society, _c1979 |
||
| 300 |
_ax, 90 p. ; _c26 cm. |
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| 500 | _aVolume 20 ... (first of 2 numbers)." | ||
| 999 |
_c1044 _d1044 |
||