Asymptotics for the biharmonic equation near the tip of a crack Avner FriedmanB. HuJuan Velazquez 35A2035B4035C1035C20biharmonic equationasymptotic expansioncrack propagationregularity estimatesstress intensity factorsmaximum principles This paper does not have an abstract. Indiana University Mathematics Journal 1998 text pdf 10.1512/iumj.1998.47.1533 10.1512/iumj.1998.47.1533 en Indiana Univ. Math. J. 47 (1998) 1327 - 1396 state-of-the-art mathematics http://iumj.org/access/