Global Behavior of Solutions of Nonlinear Equations Depending on Infinite-Dimensional Parameters Jay AlexanderStuart Antman Indiana University Mathematics Journal 1983 text pdf 10.1512/iumj.1983.32.32004 10.1512/iumj.1983.32.32004 en Indiana Univ. Math. J. 32 (1983) 39 - 62 state-of-the-art mathematics http://iumj.org/access/