000 00399pam a2200133a 44500
082 _a510.5
_bAm35m
100 _aOlum, Paul
245 1 _aINVARIANTS FOR EFFECTIVE HOMOTOPY CLASSIFICATION AND EXTENSION OF MAPPINGS
260 _aProvidence
_bAmerican Mathematical Society
_c1961
300 _a69
440 _aAmerican Mathematical Society Memoirs, No. 37
_v
964 _gCIRC
997 _a72851 C
999 _c424716
_d424716