TY - JOUR AU - Darya E. Apushkinskaya AU - Sergey I. Repin TI - Thin obstacle problem: Estimates of the distance to the exact solution JO - Interfaces and free boundaries PY - 2018 SP - 511 EP - 531 VL - 20 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4171/ifb/410/ DO - 10.4171/ifb/410 ID - 10_4171_ifb_410 ER -