Majewski, Martin Rational homotopical models and uniqueness by Martin Majewsky - Providence, Rhode Islands American Mathematical society c2000 - xi,156p.; 24cm.- - Memoirs of the American mathematical society;no. 682 . ISBN: 0821819208 Subjects--Topical Terms: Homotopy theory Hopf algebras Dewey Class. No.: 514.24 / MAJ