Finite-time blow-up of solutions of some long-wave unstable thin film equations A. BertozziM. Pugh 35K6535K3035B3376T10 Indiana University Mathematics Journal 2000 text pdf 10.1512/iumj.2000.49.1887 10.1512/iumj.2000.49.1887 en Indiana Univ. Math. J. 49 (2000) 1323 - 1366 state-of-the-art mathematics http://iumj.org/access/