000 00422nam a2200169Ia 4500
082 _a512
_bSi589.WP
100 _aSimis, Aron
245 _aWhen are projective modules free?
_b
260 _aOntario
_bQueen's University
_c1969
300 _aiii, 254p. Bibl.
490 _aQueen's papers in Pure and Applied Mathematics
_v no.21
500 _a
690 _a
700 _a
964 _a
_b
_c
_d
_e
_f
_g
921 _a10485
999 _c10485
_d10485