TY - JOUR AU - Struwe, Michael TI - A Counterexample in Elliptic Regularity Theory. JO - Manuscripta mathematica PY - 1981 VL - 34 SP - 85 EP - 92 KW - regularity theory; quasilinear diagonal elliptic systems; one-sided condition UR - http://eudml.org/doc/154765 ER -