000 00494nmm a2200133Ia 4500
008 240103s9999||||xx |||||||||||||||||und||
020 _a9781470406844 (online)
100 _aMontejano, Luis
245 0 _a[Beta]-homotopy equivalences have [alpha]-cross sections
260 _aProvidence, R.I. :
_bAmerican Mathematical Society,
_c1983
300 _a1 online resource (iv, 37 p.)
490 _aMemoirs of the American Mathematical Society,
_x1947-6221 ;
856 _uhttp://www.ams.org/memo/0274
999 _c34285
_d34285