A Direct Construction for the Duals of Brown-Gitler Spectra Paul Goerss Indiana University Mathematics Journal 1985 text pdf 10.1512/iumj.1985.34.34039 10.1512/iumj.1985.34.34039 en Indiana Univ. Math. J. 34 (1985) 733 - 751 state-of-the-art mathematics http://iumj.org/access/