Decomposition of Besov Spaces Michael FrazierBjorn Jawerth Indiana University Mathematics Journal 1985 text pdf 10.1512/iumj.1985.34.34041 10.1512/iumj.1985.34.34041 en Indiana Univ. Math. J. 34 (1985) 777 - 799 state-of-the-art mathematics http://iumj.org/access/