Mollification Does not Imply Convergence in Area W. Pepe Indiana University Mathematics Journal 1974 text pdf 10.1512/iumj.1974.23.23023 10.1512/iumj.1974.23.23023 en Indiana Univ. Math. J. 23 (1974) 273 - 276 state-of-the-art mathematics http://iumj.org/access/