Bounded Entire Solutions of Second Order Semilinear Elliptic Equations with Application to a Parabolic Initial Value Problem Takasi KusanoShinnosuke Oharu Indiana University Mathematics Journal 1985 text pdf 10.1512/iumj.1985.34.34004 10.1512/iumj.1985.34.34004 en Indiana Univ. Math. J. 34 (1985) 85 - 95 state-of-the-art mathematics http://iumj.org/access/