000 00470nam a2200169Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a510.7
_bOs82
100 _aStrom A
245 _aHomotopy category is a homotopy category
260 _aOslo
_bUniversity
_c1971
440 _aOslo University.Institute of Mathematics preprint series : 1971, 4
650 _aHomotopy theory
650 _aMathematics
942 _cBK
999 _c81701
_d81701