TY - BOOK AU - Majewski, Martin TI - Rational homotopical models and uniqueness T2 - Memoirs of the American mathematical society;no. 682 SN - 0821819208 U1 - 514.24 PY - 2000/// CY - Providence, Rhode Islands PB - American Mathematical society KW - Homotopy theory KW - Hopf algebras ER -