| 000 | 00455nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 131223s9999 xx 000 0 und d | ||
| 040 | _aISI KOLKATA | ||
| 041 | _aEnglish | ||
| 082 |
_a510 _bAm512 |
||
| 100 | _aMontejano Luis | ||
| 245 | _aBeta-homotopy equivalences have alpha-cross sections | ||
| 260 |
_aN Y _bAMS _c1983 |
||
| 440 | _aAmerican Mathematical Society: Memoirs; 274 | ||
| 650 | _aHomotopy theory | ||
| 650 | _aMathematics | ||
| 942 | _cBK | ||
| 999 |
_c2937 _d2937 |
||